Vulnerability · Published Apr 5, 2026 · Assigned by VulDB

CVE-2026-5549Tenda AC10 RSA 2048-bit Private Key privkeySrv.pem hard-coded key

Medium 5.3

In plain English

A medium-severity security flaw in AC10 from Tenda. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 35% of all known vulnerabilities).

Severity (CVSS 3.1)5.3Medium

Exploit odds (30 days)0.4%top 64.5% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

A vulnerability was determined in Tenda AC10 16.03.10.10_multi_TDE01. Affected by this issue is some unknown functionality of the file /webroot_ro/pem/privkeySrv.pem of the component RSA 2048-bit Private Key Handler. Executing a manipulation can lead to use of hard-coded cryptographic key . The attack can be launched remotely. The exploit has been publicly disclosed and may be utilized.

Affected products (as reported)

Vendor	Product	Versions
Tenda	AC10	16.03.10.10_multi_TDE01

Weakness: CWE-321, CWE-320 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:W/RC:R

References

VDB-355313 | Tenda AC10 RSA 2048-bit Private Key privkeySrv.pem hard-coded key vdb-entry
VDB-355313 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
Submit #782298 | Tenda AC10 V4 US_AC10V4.0si_V16.03.10.10_multi_TDE01 Cryptographic Issues third-party-advisory
https://github.com/somanyerrors/tenda-ac10v4-vulnerabilities/blob/main/findings/CRITICAL-05-exposed-rsa-private-key.md exploit
https://www.tenda.com.cn/ product