CVE-2025-34319 TOTOLINK N300RT <= V2.1.8-B20201030.1539 Boa formWsc RCE
Unauthenticated attackers can execute arbitrary OS commands on TOTOLINK N300RT routers via a crafted request to the Boa web server.
- 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-2025-34319?
CVE-2025-34319 is a critical command injection vulnerability in TOTOLINK N300RT, published on 3 Dec 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
TOTOLINK N300RT wireless router firmware versions prior to V3.4.0-B20250430 (discovered in V2.1.8-B20201030.1539) contain an OS command injection vulnerability in the Boa formWsc handling functionality. An unauthenticated attacker can send specially crafted requests to trigger command execution via the targetAPSsid request parameter.
Weakness: CWE-78
Which versions are affected by CVE-2025-34319?
How do I fix CVE-2025-34319?
No fix has been published for CVE-2025-34319 yet. Limit exposure of the affected software until one is available.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2025-34319 being exploited?
There is no known exploitation of CVE-2025-34319 in the wild and no public exploit code.
Sources
Also known as GHSA-5h76-37rv-2mfq.