CVE-2026-57874 GV-LPC2011/LPC2211 - unauthorized buffer overflow vulnerability (IEEE8021x_upload.cgi)
A remote unauthenticated attacker can cause a denial of service via a buffer overflow in the IEEE8021x upload CGI script.
- 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-2026-57874?
CVE-2026-57874 is a high-severity memory corruption vulnerability in GeoVision Inc. GV-LPCLPC2011/2211, published on 26 Jun 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An unauthenticated buffer overflow vulnerability exists in IEEE8021x_upload.cgi in GeoVision GV-LPC2011 and GV-LPC2211 V1.12 and earlier. The vulnerability is caused by insufficient bounds checking when parsing filename values in multipart upload data. A remote attacker may exploit this vulnerability by sending a crafted upload request with overly long input, causing memory corruption and resulting in a denial of service.
Weakness: CWE-120
Which versions are affected by CVE-2026-57874?
How do I fix CVE-2026-57874?
No fix has been published for CVE-2026-57874 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-2026-57874 being exploited?
There is no known exploitation of CVE-2026-57874 in the wild and no public exploit code.
Sources
Also known as GHSA-vrjw-2c7c-hhv6.