CVE-2026-18588: Wavlink WL-NU516U1 nas.cgi fgets stack-based overflow
A vulnerability has been found in Wavlink WL-NU516U1 708c073-mt7628. This affects the function fgets of the file nas.cgi. The manipulation of the argument CONTENTLENGTH leads to stack-based buffer overflow. Remote exploitation of the attack is possible. You should upgrade the affected component. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2026-18588?
The severity of CVE-2026-18588 is rated as critical with a score of 9.8.
How do I fix CVE-2026-18588?
To fix CVE-2026-18588, you should upgrade the Wavlink WL-NU516U1 firmware to the latest version.
What type of vulnerability is CVE-2026-18588?
CVE-2026-18588 is classified as a stack-based buffer overflow vulnerability.
Can CVE-2026-18588 be exploited remotely?
Yes, CVE-2026-18588 can be exploited remotely due to its nature of remote exploitation.
What software is affected by CVE-2026-18588?
CVE-2026-18588 affects the Wavlink WL-NU516U1 708c073-mt7628.