Vulnerability · Published Sep 15, 2026 · Assigned by mitre
CVE-2026-79551
High 7.5
In plain English
A high-severity security flaw in the affected software. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 23% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code.
Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.3%top 77.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack tooling1Public PoC
Official description
Tenda Technology Co., Ltd NVR_4H CH3 v2.1 V27.5.58.6 was discovered to contain a hardcoded cryptographic key.
Affected products (as reported)
Weakness: CWE-321 · Vector: CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H