CVE-2025-5735 TOTOLINK X15 HTTP POST Request formSetLg buffer overflow
Remote attackers can trigger a buffer overflow in the HTTP POST handler to potentially execute arbitrary code on TOTOLINK X15 routers.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-5735?
CVE-2025-5735 is a high-severity memory corruption vulnerability in TOTOLINK X15, published on 6 Jun 2025. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A vulnerability was found in TOTOLINK X15 1.0.0-B20230714.1105 and classified as critical. This issue affects some unknown processing of the file /boafrm/formSetLg of the component HTTP POST Request Handler. The manipulation of the argument submit-url leads to buffer overflow. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used.
Which versions are affected by CVE-2025-5735?
It affects 1 product.
Products include Totolink X15 Firmware.
How do I fix CVE-2025-5735?
No fix has been published for CVE-2025-5735 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-2025-5735 being exploited?
There is no known exploitation of CVE-2025-5735 in the wild and no public exploit code.
Other vulnerabilities in TOTOLINK X15
- CVE-2025-8242 TOTOLINK X15 HTTP POST Request formFilter buffer overflow
- CVE-2025-8243 TOTOLINK X15 HTTP POST Request formMapDel buffer overflow
- CVE-2025-8244 TOTOLINK X15 HTTP POST Request formMapDelDevice buffer overflow
- CVE-2025-8245 TOTOLINK X15 HTTP POST Request formMultiAPVLAN buffer overflow
- CVE-2025-8246 TOTOLINK X15 HTTP POST Request formRoute buffer overflow
Sources
Also known as GHSA-crj8-vhpf-4qxp.