How severe is CVE-2026-10165?

CVE-2026-10165 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-2026-10165 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-2026-10165?

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-2026-10165 have an EU (EUVD) identifier?

Yes. CVE-2026-10165 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-33485.

When was CVE-2026-10165 published?

CVE-2026-10165 was published on 2026-05-31 and last updated on 2026-06-17.

CVE-2026-10165

CVE-2026-10165 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-2026-33485
Weakness: CWE-119
Published: 2026-05-31
Last modified: 2026-06-17

Description

A vulnerability was identified in Edimax BR-6478AC 1.23. The impacted element is the function formWanTcpipSetup of the file /goform/formWanTcpipSetup of the component POST Request Handler. Such manipulation of the argument pppUserName leads to stack-based buffer overflow. The attack may be performed from remote. The exploit is publicly available and might be used.

Frequently asked questions

What is CVE-2026-10165?: A vulnerability was identified in Edimax BR-6478AC 1.23. The impacted element is the function formWanTcpipSetup of the file /goform/formWanTcpipSetup of the component POST Request Handler. Such manipulation of the argument pppUserName leads to stack-based buffer overflow. The attack may be performed from remote. The exploit is publicly available and might be used.
How severe is CVE-2026-10165?: CVE-2026-10165 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-2026-10165 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-2026-10165?: 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-2026-10165 have an EU (EUVD) identifier?: Yes. CVE-2026-10165 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-33485.
When was CVE-2026-10165 published?: CVE-2026-10165 was published on 2026-05-31 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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CVE-2020-11896 — Critical (CVSS 10.0): The Treck TCP/IP stack before 6.0.1.66 allows Remote Code Execution, related to IPv4 tunneling.

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