CVE-2026-6198
CVE-2026-6198 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-2026-22058
- Weakness: CWE-119
- Published:
- Last modified:
Description
A vulnerability has been found in Tenda F456 1.0.0.5. This issue affects the function fromNatStaticSetting of the file /goform/NatStaticSetting. The manipulation of the argument page leads to stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used.
Frequently asked questions
- What is CVE-2026-6198?
- A vulnerability has been found in Tenda F456 1.0.0.5. This issue affects the function fromNatStaticSetting of the file /goform/NatStaticSetting. The manipulation of the argument page leads to stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used.
- How severe is CVE-2026-6198?
- CVE-2026-6198 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-2026-6198 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-2026-6198?
- 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-2026-6198 have an EU (EUVD) identifier?
- Yes. CVE-2026-6198 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-22058.
- When was CVE-2026-6198 published?
- CVE-2026-6198 was published on 2026-04-13 and last updated on 2026-06-17.
References
- https://github.com/Litengzheng/vuldb_new/blob/main/F456/vul_115/README.md
- https://vuldb.com/submit/797470
- https://vuldb.com/vuln/357120
- https://vuldb.com/vuln/357120/cti
- https://www.tenda.com.cn/
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