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.
CVE-2026-51597
CRITICALPre-NVD 9.1Trending — 4 sources updated this weekElevated
9.1
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
- High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 9.1Exploit: NoneExposed: 0
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 9.1
- EG Score
- 0.0(none)
- EPSS
- 9.4%
- KEV
- Not listed
Published
July 9, 2026
Last Modified
July 10, 2026
Advisory Details (1)
Auto-updated Jul 10, 2026🔬 Proof of concept available. No patch confirmed yet.
generic🟡 PoC Available
cve_ID_report/MERCURY_MIPC252W/MERCURY_MIPC252W_5th/README.md at main · kkkk2222874/cve_ID_report · GitHub
https://github.com/kkkk2222874/cve_ID_report/blob/main/MERCURY_MIPC252W/MERCURY_MIPC252W_5th/README.mdVendor Advisories for CVE-2026-51597(1)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
Frequently asked(5)
What is CVE-2026-51597?
CVE-2026-51597 is a critical vulnerability published on July 9, 2026. 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…
When was CVE-2026-51597 disclosed?
CVE-2026-51597 was first published in the National Vulnerability Database on July 9, 2026, with the most recent update on July 10, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-51597 actively exploited?
CVE-2026-51597 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 9.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-51597?
CVE-2026-51597 has a CVSS v3.1 base score of 9.1 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 0.0.
How do I remediate CVE-2026-51597?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-51597, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2026-51597
Is Your Infrastructure Affected by CVE-2026-51597?
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