What is CVE-2026-51601?

CVE-2026-51601 is a high-severity vulnerability in N/a, classified under Stack-based Buffer Overflow. CVSS score: 7.5/10. Published 2026-07-09.

How severe is CVE-2026-51601?

High severity. CVSS v3 base score is 7.5 out of 10.

Buffer overflow in N/a

CVE-2026-51601

Tenda CP3 V3.0 firmware V31.1.9.91 contains a stack-based buffer overflow in the RTSP service. The device fails to validate the length of the clock= value in the Range header field when processing a PLAY request. An unauthenticated remote attacker who has completed a standard RTSP session handshake can send a PLAY request with an excessively long clock= value to cause the RTSP service to crash.

Vulnerability class: Buffer Overflow

EPSS: 0.004 (34.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

N/a — versions n/a

Weakness classification (CWE)

CWE-121 — Stack-based Buffer Overflow

References

cve@mitre.org

Frequently asked questions

What is CVE-2026-51601?: CVE-2026-51601 is a high-severity vulnerability in N/a, classified under Stack-based Buffer Overflow. CVSS score: 7.5/10. Published 2026-07-09.
How severe is CVE-2026-51601?: High severity. CVSS v3 base score is 7.5 out of 10.