CVE-2025-9961
CVE-2025-9961 is a high-severity vulnerability with a CVSS 4.0 base score of 8.6. 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-120.
Key facts
- Severity: High (CVSS 4.0 base score 8.6)
- EPSS exploit prediction: 10% (95th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2025-27074
- Weakness: CWE-120
- Published:
- Last modified:
Description
An authenticated attacker may remotely execute arbitrary code via the CWMP binary on the devices AX10 and AX1500. The exploit can only be conducted via a Man-In-The-Middle (MITM) attack. This issue affects AX10 V1/V1.2/V2/V2.6/V3/V3.6: before 1.2.1; AX1500 V1/V1.20/V1.26/V1.60/V1.80/V2.60/V3.6: before 1.3.11.
Frequently asked questions
- What is CVE-2025-9961?
- An authenticated attacker may remotely execute arbitrary code via the CWMP binary on the devices AX10 and AX1500. The exploit can only be conducted via a Man-In-The-Middle (MITM) attack. This issue affects AX10 V1/V1.2/V2/V2.6/V3/V3.6: before 1.2.1; AX1500 V1/V1.20/V1.26/V1.60/V1.80/V2.60/V3.6: before 1.3.11.
- How severe is CVE-2025-9961?
- CVE-2025-9961 has a CVSS 4.0 base score of 8.6, rated high severity.
- Is CVE-2025-9961 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 10% (95th percentile), an estimate of the probability of exploitation in the next 30 days.
- How do I fix CVE-2025-9961?
- 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-2025-9961 have an EU (EUVD) identifier?
- Yes. CVE-2025-9961 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-27074.
- When was CVE-2025-9961 published?
- CVE-2025-9961 was published on 2025-09-06 and last updated on 2026-06-17.
References
- https://blog.byteray.co.uk/zero-day-alert-automated-discovery-of-critical-cwmp-stack-overflow-in-tp-link-routers-0bc495a08679
- https://www.tp-link.com/us/support/download/archer-ax10/
- https://www.tp-link.com/us/support/download/archer-ax1500/
- https://www.tp-link.com/us/support/faq/4647/
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