CVE-2023-43141 Missing authorization in n/a

Critical 9.8 Published 25 Sep 2023 Updated 9 Jul 2026

Attackers can bypass access controls on TOTOLINK routers to gain unauthorized access to device functions.

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-2023-43141?

CVE-2023-43141 is a critical missing authorization vulnerability in n/a, published on 25 Sep 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

TOTOLINK A3700R V9.1.2u.6134_B20201202 and N600R V5.3c.5137 are vulnerable to Incorrect Access Control.

Weakness: CWE-284

Which versions are affected by CVE-2023-43141?

It affects 2 products.

Products include Totolink A3700r Firmware, Totolink N600r Firmware.

How do I fix CVE-2023-43141?

No fix has been published for CVE-2023-43141 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2023-43141 being exploited?

There is no known exploitation of CVE-2023-43141 in the wild and no public exploit code.

Sources

Also known as GHSA-c2qv-7h5q-gh2f.