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

Medium 6.9 Published Updated

Attackers can exploit a hard-coded RSA private key in Tenda AC10 routers to bypass security controls and potentially access sensitive data.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-5549?

CVE-2026-5549 is a medium-severity vulnerability in Tenda Ac10 Firmware, published on 5 Apr 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

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.

Weakness: CWE-321, CWE-320

Which versions are affected by CVE-2026-5549?

It affects 1 product.

Products include Tenda Ac10 Firmware.

How do I fix CVE-2026-5549?

No fix has been published for CVE-2026-5549 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-5549 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-5549 exists.

All Tenda Ac10 Firmware vulnerabilities

Sources

Also known as GHSA-7v8w-cr25-ggqq.

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