CVE-2026-10191
CVE-2026-10191 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: 0% (38th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-33513
- Weakness: CWE-119
- Published:
- Last modified:
Description
A vulnerability was determined in Tenda W12 3.0.0.7(4763). Impacted is the function cgiWifiMacFilterSet of the file /bin/httpd. This manipulation of the argument wifiMacFilterSet.macList.mac causes stack-based buffer overflow. The attack can be initiated remotely. The exploit has been publicly disclosed and may be utilized.
Frequently asked questions
- What is CVE-2026-10191?
- A vulnerability was determined in Tenda W12 3.0.0.7(4763). Impacted is the function cgiWifiMacFilterSet of the file /bin/httpd. This manipulation of the argument wifiMacFilterSet.macList.mac causes stack-based buffer overflow. The attack can be initiated remotely. The exploit has been publicly disclosed and may be utilized.
- How severe is CVE-2026-10191?
- CVE-2026-10191 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-2026-10191 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (38th percentile), an estimate of the probability of exploitation in the next 30 days.
- How do I fix CVE-2026-10191?
- 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-2026-10191 have an EU (EUVD) identifier?
- Yes. CVE-2026-10191 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-33513.
- When was CVE-2026-10191 published?
- CVE-2026-10191 was published on 2026-05-31 and last updated on 2026-06-17.
References
- http://cdn2.v50to.cc/cgiWifiMacFilterSet_overflow.zip
- https://vuldb.com/cve/CVE-2026-10191
- https://vuldb.com/submit/820023
- https://vuldb.com/vuln/367472
- https://vuldb.com/vuln/367472/cti
- https://www.tenda.com.cn/
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