CVE-2025-45790 Memory corruption in n/a
A buffer overflow in the firewall module allows attackers to execute arbitrary code or cause denial of service on TOTOLINK A3100R routers.
- 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-2025-45790?
CVE-2025-45790 is a medium-severity memory corruption vulnerability in n/a, published on 8 May 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
TOTOLINK A3100R V5.9c.1527 is vulnerable to Buffer Overflow via the priority parameter in the setMacQos interface of /lib/cste_modules/firewall.so.
Which versions are affected by CVE-2025-45790?
It affects 1 product.
Products include Totolink A3100r Firmware.
How do I fix CVE-2025-45790?
No fix has been published for CVE-2025-45790 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2025-45790 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-45790 exists.
Other vulnerabilities in n/a
Sources
Also known as GHSA-6rc8-h6xq-v545.