CVE-2025-55587 Denial of service in n/a
Attackers can cause a Denial of Service on TOTOLINK A3002R routers by sending crafted input to the hostname 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-2025-55587?
CVE-2025-55587 is a high-severity denial of service vulnerability in Totolink A3002r Firmware, published on 18 Aug 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
TOTOLINK A3002R v4.0.0-B20230531.1404 was discovered to contain a buffer overflow in the hostname parameter at /boafrm/formMapDelDevice. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted input.
Weakness: CWE-400
Which versions are affected by CVE-2025-55587?
It affects 1 product.
Products include Totolink A3002r Firmware.
How do I fix CVE-2025-55587?
No fix has been published for CVE-2025-55587 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2025-55587 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-55587 exists.
Other vulnerabilities in Totolink A3002r Firmware
Sources
Also known as GHSA-47f6-fw83-qcg4.