CVE-2026-6197
CVE-2026-6197 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% (36th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-22057
- Weakness: CWE-119
- Published:
- Last modified:
Description
A flaw has been found in Tenda F456 1.0.0.5. This vulnerability affects the function formWrlsafeset of the file /goform/AdvSetWrlsafeset. Executing a manipulation of the argument mit_ssid can lead to stack-based buffer overflow. The attack may be performed from remote. The exploit has been published and may be used.
Frequently asked questions
- What is CVE-2026-6197?
- A flaw has been found in Tenda F456 1.0.0.5. This vulnerability affects the function formWrlsafeset of the file /goform/AdvSetWrlsafeset. Executing a manipulation of the argument mit_ssid can lead to stack-based buffer overflow. The attack may be performed from remote. The exploit has been published and may be used.
- How severe is CVE-2026-6197?
- CVE-2026-6197 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-2026-6197 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (36th percentile), an estimate of the probability of exploitation in the next 30 days.
- How do I fix CVE-2026-6197?
- 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-2026-6197 have an EU (EUVD) identifier?
- Yes. CVE-2026-6197 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-22057.
- When was CVE-2026-6197 published?
- CVE-2026-6197 was published on 2026-04-13 and last updated on 2026-06-17.
References
- https://github.com/Litengzheng/vuldb_new/blob/main/F456/vul_114/README.md
- https://vuldb.com/submit/797468
- https://vuldb.com/vuln/357119
- https://vuldb.com/vuln/357119/cti
- https://www.tenda.com.cn/
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