CVE-2025-55613 Memory corruption in n/a
A buffer overflow in the Tenda O3V2 router allows attackers to execute arbitrary code or cause a denial of service via the mac parameter.
- 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-2025-55613?
CVE-2025-55613 is a critical memory corruption vulnerability in n/a, published on 22 Aug 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Tenda O3V2 1.0.0.12(3880) is vulnerable to Buffer Overflow in the fromSafeSetMacFilter function via the mac parameter.
Weakness: CWE-120
Which versions are affected by CVE-2025-55613?
It affects 1 product.
Products include Tenda O3 Firmware.
How do I fix CVE-2025-55613?
No fix has been published for CVE-2025-55613 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-2025-55613 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-55613 exists.
Other vulnerabilities in n/a
- CVE-2024-36604 Command injection in n/a
- CVE-2025-7421 Tenda O3V2 httpd operateMacFilter fromMacFilterModify stack-based overflow
- CVE-2025-7422 Tenda O3V2 httpd setNetworkService setAutoReboot stack-based overflow
- CVE-2025-7423 Tenda O3V2 httpd setWrlFilterList formWifiMacFilterSet stack-based overflow
- CVE-2025-7416 Tenda O3V2 httpd setSysTimeInfo fromSysToolTime stack-based overflow
Sources
Also known as GHSA-wr66-f4p2-wwjx.