What is CVE-2025-9961?

CVE-2025-9961 is a vulnerability in Tp-Link Systems Inc. Ax10 V1/v1.2/v2/v2.6/v3/v3.6, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). Published 2025-09-06.

Is CVE-2025-9961 known to be exploited?

5 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Tp-Link Systems Inc. Ax10 V1/v1.2/v2/v2.6/v3/v3.6

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.

Vulnerability class: Buffer Overflow

EPSS: 0.098 (95.0th percentile) — read the EPSS interpretation.

Affected products

Tp-link Systems Inc. Ax10 V1/v1.2/v2/v2.6/v3/v3.6 — versions 0
Tp-link Systems Inc. Ax1500 V1/v1.20/v1.26/v1.60/v1.80/v2.60/v3.6 — versions 0

Weakness classification (CWE)

CWE-120 — Buffer Copy without Checking Size of Input (Classic Buffer Overflow)

Public proof-of-concept exploits

References

f23511db-6c3e-4e32-a477-6aa17d310630
f23511db-6c3e-4e32-a477-6aa17d310630 (vendor-advisory)
f23511db-6c3e-4e32-a477-6aa17d310630 (patch)
f23511db-6c3e-4e32-a477-6aa17d310630 (patch)

Frequently asked questions

What is CVE-2025-9961?: CVE-2025-9961 is a vulnerability in Tp-Link Systems Inc. Ax10 V1/v1.2/v2/v2.6/v3/v3.6, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). Published 2025-09-06.
Is CVE-2025-9961 known to be exploited?: 5 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.