CVE-2026-51597

CRITICAL

MERCURY MIPC252W 1.0.5 Build 230306 - Unauthenticated Authentication Bypass via RTSP Digest Nonce Replay

Title source: llm

Description

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.

References (1)

Core 1

Core References

https://github.com/kkkk2222874/cve_ID_report/blob/main/MERCURY_MIPC252W/MERCURY_MIPC252W_5th/README.md

View Writeup ZIP pw:eip

Scores

CVSS v3 9.1

EPSS 0.0037

EPSS Percentile 29.9%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

CISA SSVC

Vulnrichment

Exploitation poc

Automatable yes

Technical Impact total

Details

CWE

CWE-294

Status published

Published Jul 09, 2026

Tracked Since Jul 09, 2026