CVE-2026-9479
CVE-2026-9479 is a high-severity vulnerability with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-119.
Key facts
- Severity: High (CVSS 3.x base score 8.8)
- CVSS v2: 9.0
- CVSS v4: 7.4
- EPSS exploit prediction: 1% (44th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-31711
- Weakness: CWE-119
- Published:
- Last modified:
Description
A security vulnerability has been detected in Edimax EW-7438RPn 1.31. The affected element is the function formLogout of the file /goform/formLogout. The manipulation of the argument submit-url leads to stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Frequently asked questions
- What is CVE-2026-9479?
- A security vulnerability has been detected in Edimax EW-7438RPn 1.31. The affected element is the function formLogout of the file /goform/formLogout. The manipulation of the argument submit-url leads to stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
- How severe is CVE-2026-9479?
- CVE-2026-9479 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2026-9479 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (44th percentile), an estimate of the probability of exploitation in the next 30 days.
- How do I fix CVE-2026-9479?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- Does CVE-2026-9479 have an EU (EUVD) identifier?
- Yes. CVE-2026-9479 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-31711.
- When was CVE-2026-9479 published?
- CVE-2026-9479 was published on 2026-05-25 and last updated on 2026-06-17.
References
- https://github.com/wudipjq/my_vuln/blob/main/Edimax/vuln_17/17.md
- https://vuldb.com/submit/813901
- https://vuldb.com/vuln/365460
- https://vuldb.com/vuln/365460/cti
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