CVE-2026-4497CWE-77CWE-78

Totolink WA300 cstecgi.cgi recvUpgradeNewFw os command injection

Medium · published March 20, 2026

CVSS v4.0
6.9
EPSS
3%
Percentile
87.2
In the wild
Unconfirmed
What it is

A vulnerability was determined in Totolink WA300 5.2cu.7112_B20190227. Affected by this issue is the function recvUpgradeNewFw of the file /cgi-bin/cstecgi.cgi. This manipulation causes os command injection. Remote exploitation of the attack is possible. The exploit has been publicly disclosed and may be utilized.

The record
Technical detail
CVSS v4.0
6.9 · MEDIUM
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
EPSS
0.02993 · 87.2th percentile
Weaknesses
CWE-77 · Improper Neutralization of Special Elements used in a Command ('Command Injection'); CWE-78 · Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Published
2026-03-20T19:02Z
EPSS history
Timeline
  • 20 MAR 19:02Z
    Totolink WA300 cstecgi.cgi recvUpgradeNewFw os command injection
    cvelistv5