CVE-2026-11849: Critical Hardcoded Credentials in IEI iRM
Critical CVSS (9.8) reachable over network.
TL;DR - Critical hardcoded credentials flaw in IEI iRM can allow unauthenticated remote database admin access. - Affected product is confirmed, but affected versions and fixed version are not publicly confirmed in retrieved sources. - Treat internet-exposed iRM as high risk and restrict access immediately while validating vendor guidance.
| Field | Value |
|---|---|
| CVE ID | CVE-2026-11849 |
| CVSS score | 9.8 (Critical) |
| Attack vector | Remote |
| Auth required | None |
| Patch status | Not confirmed from retrieved primary sources |
Vulnerability at a Glance
CVE-2026-11849 is a hardcoded credentials vulnerability in IEI Integration Corp. iRM (IEI Remote Management). According to the NVD description, the issue allows an unauthenticated remote attacker to use embedded credentials and gain administrative privileges on the database. That combination matters because it moves the risk beyond a simple application login bypass: database-level administrative access can expose stored operational data, configuration records, tokens, and any secrets the platform keeps centrally.
The severity is high enough to warrant immediate attention even though some implementation details remain unpublished in the source material available here. A CVSS base score of 9.8 generally aligns with remotely reachable flaws that require no prior authentication and have broad confidentiality, integrity, and availability impact. For a management platform, that often means defenders should assume potential downstream impact to the managed environment, not just compromise of the application host itself.
What the Vulnerability Means in Practice
Hardcoded credentials are dangerous because they bypass normal identity controls entirely. If an application contains a built-in username and password, API secret, or database credential that cannot be rotated by the customer, any attacker who discovers it may be able to authenticate as a privileged user regardless of password policy, MFA, or SSO protections. In this case, the reported outcome is especially serious: administrative privileges on the database.
In practical terms, a successful attacker may be able to enumerate inventories, extract device metadata, alter records, tamper with logs, or pull any secrets stored in database tables. Depending on how IEI iRM is deployed, database compromise could also become application compromise if the platform trusts database content for user roles, task definitions, connector credentials, or workflow state. Even if the management UI itself is segmented, a reachable database path exposed through the application can still create an end-to-end takeover scenario.
Technical Notes
Because the public description does not disclose the exact hardcoded credential material, defenders should avoid assuming the issue is limited to one login screen or one port. Start by inventorying every externally or internally reachable iRM component and identifying where it talks to its backend database.
# Find listening services on a Linux-based iRM host
ss -tulpn
# Identify local database processes and listening ports
ps aux | egrep 'mysql|mariadb|postgres|sql'
lsof -i -P -n | egrep '3306|5432|1433'
If you maintain network mapping data, review whether iRM is exposed to untrusted networks:
# Example: quick port scan from an admin workstation
nmap -sV -Pn <irm-host-or-ip>
Who is Affected
The confirmed affected product is IEI Integration Corp. iRM-IEI Remote Management. Vendor and product naming are supported by the IEI product page and TWCERT advisory metadata. However, the specific affected version range is not publicly confirmed from the retrieved primary-source content available for this article. That is an important limitation, and defenders should not fill that gap with assumptions.
Because the version matrix is not available in the source material reviewed, the most defensible statement is: affected versions are unknown from currently retrieved public sources. The fixed version is also not identified from those same sources. When version data is unavailable for a critical, unauthenticated flaw in a management product, the safest operational assumption is that any deployed iRM instance may be affected until you can validate build numbers directly with IEI support, a vendor PSIRT bulletin, or a fuller TWCERT advisory body.
| Product | Affected Versions | Fixed Version |
|---|---|---|
| IEI iRM-IEI Remote Management | Not publicly confirmed in retrieved sources | Not publicly confirmed in retrieved sources |
This uncertainty changes the response plan. Instead of only patching a narrow range, defenders should prioritize exposure reduction first: identify every iRM deployment, determine whether it is internet-accessible, isolate management interfaces, and review whether the underlying database is reachable beyond the local host. If you cannot verify that your installed build is outside the vulnerable range, assume exposure and proceed accordingly.
Exploitation Status and Attacker Interest
At the time of writing, there is no verified public evidence of exploitation in the wild for CVE-2026-11849 in the retrieved sources. The CVE is not currently listed in CISA’s Known Exploited Vulnerabilities catalog, which means there is no KEV entry, no due date, and no CISA-required remediation timeline attached to this issue at present.
Likewise, no verified public proof of concept (PoC) was located in the retrieved material. That does not mean exploitation is difficult. Hardcoded credential issues can sometimes be trivial to weaponize once an attacker obtains firmware, application files, configuration bundles, or reverse engineers the product. In the absence of a verified PoC, defenders should assume that exploit development effort may still be low, especially for attackers targeting exposed management systems.
For prioritization, that means this CVE sits in an uncomfortable but familiar category: strong impact, low published detail, and no confirmed exploitation yet. Those conditions often favor fast defensive action because exploitation may emerge after disclosure, especially once researchers begin diffing releases or inspecting product artifacts.
What Defenders Should Do Next
First, inventory all IEI iRM deployments immediately. If you find any instance exposed to the internet or broadly reachable from untrusted internal segments, move it behind access controls now. This is the highest-value action you can take while waiting for definitive version and patch guidance.
Second, engage IEI or your reseller for authoritative version information. Ask specifically for the affected version range, the fixed version number, and any recommended compensating controls. Because those details were not available in the retrieved public source material for this article, direct vendor confirmation is necessary before you can close remediation confidently.
Third, assume possible database exposure if suspicious activity is found. If your logs show unexplained database administrative access, treat the incident as more than an application issue. Review stored credentials, API tokens, user records, and task definitions for tampering. Depending on what iRM manages in your environment, that may require resetting downstream secrets and reviewing managed endpoints for follow-on changes.
For further understanding of related security concepts, you can explore what is credential stuffing and what is shoulder surfing.
Detection and Investigation Guidance
Detection is the hardest part here because the public advisory text available does not disclose the exact credential format, endpoint, query flow, or expected indicators. That means defenders need to hunt for behavior, not just a specific signature. Focus on unusual access to iRM services, unexpected database administration actions, logins from unapproved source IPs, and changes to application or database users that do not align with maintenance windows.
Start with three questions: which hosts run iRM, what database sits behind them, and where are the logs? If the database is local, OS and DB logs may reveal suspicious administrative sessions. If the database is remote, review firewall logs, NetFlow, and database audit trails for new source systems talking to the DB through or around the application. Because the vulnerability reportedly enables unauthenticated remote access using embedded credentials, you should pay special attention to successful sessions that do not map cleanly to any expected operator account lifecycle.
Technical Notes
Concrete detection should include at least one network or log-based analytic. The exact fields will vary by environment, but these examples are useful starting points.
Possible database log patterns to investigate - Successful authentication to the database from the iRM application host at unusual times. - Repeated login attempts followed by success using a service account outside normal application behavior. - Administrative SQL statements such as user creation, privilege grants, schema dumps, or bulk table exports.
Example grep patterns for MySQL or MariaDB logs
grep -Ei 'Access denied|Connect|Quit|GRANT |CREATE USER|ALTER USER|DROP USER|SELECT .* FROM .*users|mysqldump' /var/log/mysql/*.log 2>/dev/null
Example Splunk query for suspicious database admin actions
index=* (sourcetype=mysql OR sourcetype=mariadb OR sourcetype=postgresql)
("CREATE USER" OR "ALTER USER" OR "GRANT " OR "DROP USER" OR "mysqldump" OR "pg_dump")
| stats count by host, src_ip, user, statement
Example network hunting query concept
-- Pseudocode for a network telemetry platform
SELECT timestamp, src_ip, dest_ip, dest_port, bytes_out, bytes_in
FROM network_flows
WHERE dest_ip = '<irm-or-db-ip>'
AND dest_port IN (3306, 5432, 1433)
AND src_ip NOT IN (<approved-admin-subnets>, <known-app-hosts>);
If you have EDR on the iRM server, also look for child processes or command execution linked to database backup tools, archivers, or unexpected outbound connections. A database admin foothold often becomes a staging point for broader host-level activity.
Mitigation and Patching
The most important constraint for this CVE is that patch availability is not confirmed from the retrieved primary sources, and the fixed version number is not identified. That means you should not publish or rely on an upgrade target unless you have direct vendor confirmation. If IEI has since issued a bulletin in your support channel, use that as the authoritative source; otherwise, assume the vendor is still the only place to validate affected and remediated builds.
Until you have confirmed version guidance, mitigation should focus on access reduction and credential containment. Remove any direct internet exposure to iRM. Restrict access to trusted admin subnets or through a VPN with strong authentication. Ensure the backing database is not exposed beyond what the application strictly requires. If the application uses a database service account, review its privileges and reduce them where possible, although a true hardcoded credential flaw may limit how much protection this offers if the embedded account is itself privileged.
A second line of defense is segmentation and monitoring. Place iRM behind firewall rules that allow only known admin sources. If possible, require jump-host access with session recording. Rotate any customer-managed credentials stored by or used by iRM, because if the database has already been accessed, stored secrets may have been exposed even if the application itself shows no obvious tampering.
Technical Notes
Because no verified fixed version is available from the source material here, the safest actionable guidance is to document current version and prepare an authenticated maintenance workflow while applying network controls immediately.
Example: identify installed version before vendor-guided upgrade
# Generic examples; actual path/package name may differ by deployment
dpkg -l | grep -i irm
rpm -qa | grep -i irm
systemctl status | grep -i irm
find /opt /usr/local -maxdepth 3 -type f | grep -i irm
Immediate network restriction examples
Linux host firewall:
# Allow only a trusted admin subnet to reach the web interface
iptables -A INPUT -p tcp -s <trusted-admin-subnet>/24 --dport 443 -j ACCEPT
iptables -A INPUT -p tcp --dport 443 -j DROP
Reverse proxy or gateway allowlisting example:
location / {
allow <trusted-admin-subnet>/24;
deny all;
proxy_pass https://<irm-backend>;
}
If IEI provides an updated package through your support channel, use the vendor-provided upgrade procedure exactly as documented. In the absence of a public fixed version, do not guess at an upgrade command beyond your packaging system and change-control process. Your goals are to confirm the installed build, obtain the correct remediated release from the vendor, back up the system, and validate service restoration after upgrade.
References
- NVD entry for CVE-2026-11849
- TWCERT English advisory: https://www.twcert.org.tw/en/cp-139-10972-32032-2.html
- TWCERT Chinese advisory: https://www.twcert.org.tw/tw/cp-132-10971-ac61f-1.html
- IEI iRM product page: https://www.ieiworld.com/en/product-ns/model.php?II=13
- IEI security advisories landing page: https://www.ieiworld.com/en/security_advisories
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