CVE-2025-22904: RE11S v1.11 was discovered to contain a stack overflow via the pptpUserName parameter in the setWAN function.

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CRITICAL 9.8REMOTEMITIGATE

CVE-2025-22904 is a critical-severity flaw (CVSS 9.8) affecting re11s firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

RE11S v1.11 was discovered to contain a stack overflow via the pptpUserName parameter in the setWAN function.

Why this priority

Critical severity
Public exploit reference
Remotely exploitable, no login, no user action

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.7% (top 49%)
CISA exploited list	No
Weakness	CWE-120
Published	2025-01-16
Last modified	2026-07-05

Publisher (CNA): MITRE · Vendor: edimax

Last updated 2026-07-05 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-01-16 03:15 UTCPublished CVE record published
2026-07-05 01:21 UTCUpdated Record last modified

edimax re11s firmware MITIGATE

Affected: 1.11

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.11

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-22904?

re11s firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2025-22904 being exploited?

CVE-2025-22904 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2025-22904 affect?

CVE-2025-22904 affects re11s firmware. Severity is critical (CVSS 9.8). RE11S v1.11 was discovered to contain a stack overflow via the pptpUserName parameter in the setWAN function.

How urgent is CVE-2025-22904?

Priority 57/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action

Related CVEs

CVE-2025-22916 CRITICAL 9.8 MITIGATE RE11S v1.11 was discovered to contain a stack overflow via the pppUserName parameter in the formPPPoESetup fun
CVE-2025-22912 CRITICAL 9.8 MITIGATE RE11S v1.11 was discovered to contain a command injection vulnerability via the component /goform/formAccept.
CVE-2025-22907 CRITICAL 9.8 MITIGATE RE11S v1.11 was discovered to contain a stack overflow via the selSSID parameter in the formWlSiteSurvey funct
CVE-2025-22906 CRITICAL 9.8 MITIGATE RE11S v1.11 was discovered to contain a command injection vulnerability via the L2TPUserName parameter at /gof
CVE-2025-22905 CRITICAL 9.8 MITIGATE RE11S v1.11 was discovered to contain a command injection vulnerability via the command parameter at /goform/m

References

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