CVE-2026-9430

CVE-2026-9430 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

Description

A vulnerability was determined in Tenda F1202 1.2.0.20(408). Affected by this issue is the function formGstDhcpSetSer of the file /goform/GstDhcpSetSerof. Executing a manipulation of the argument dips can lead to stack-based buffer overflow. It is possible to launch the attack remotely. The exploit has been publicly disclosed and may be utilized.

Frequently asked questions

What is CVE-2026-9430?
A vulnerability was determined in Tenda F1202 1.2.0.20(408). Affected by this issue is the function formGstDhcpSetSer of the file /goform/GstDhcpSetSerof. Executing a manipulation of the argument dips can lead to stack-based buffer overflow. It is possible to launch the attack remotely. The exploit has been publicly disclosed and may be utilized.
How severe is CVE-2026-9430?
CVE-2026-9430 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-2026-9430 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (35th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-9430?
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-2026-9430 have an EU (EUVD) identifier?
Yes. CVE-2026-9430 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-31633.
When was CVE-2026-9430 published?
CVE-2026-9430 was published on 2026-05-25 and last updated on 2026-06-17.

References

Other CWE-119 (Improper Restriction of Operations within the Bounds of a Memory Buffer) vulnerabilities

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