What is CVE-2026-51597?

CVE-2026-51597 is a critical-severity vulnerability in N/a, classified under Authentication Bypass by Capture-replay. CVSS score: 9.1/10. Published 2026-07-09.

How severe is CVE-2026-51597?

Critical severity. CVSS v3 base score is 9.1 out of 10.

Vulnerability in N/a

CVE-2026-51597

MERCURY MIPC252W IP camera v1.0.5 Build 230306 Rel.79931n does not implement nonce expiration in RTSP Digest authentication. An adjacent network attacker can capture a legitimate authentication exchange and replay the nonce and response values in a new connection to bypass authentication without knowledge of the device credentials, gaining unauthorized access to the live video stream.

EPSS: 0.004 (30.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N.

Affected products

N/a — versions n/a

Weakness classification (CWE)

CWE-294 — Authentication Bypass by Capture-replay

References

cve@mitre.org

Frequently asked questions

What is CVE-2026-51597?: CVE-2026-51597 is a critical-severity vulnerability in N/a, classified under Authentication Bypass by Capture-replay. CVSS score: 9.1/10. Published 2026-07-09.
How severe is CVE-2026-51597?: Critical severity. CVSS v3 base score is 9.1 out of 10.