CVE-2026-4497

7.3 HIGH
Published: March 20, 2026 Modified: April 03, 2026
View on NVD

Description

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.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://github.com/hellonestor/killallbug/issues/1
Source: cna@vuldb.com
Exploit Issue Tracking
https://github.com/user-attachments/files/25790616/Unauthenticated.Remote.Code.Execution.in.TOTOLINK.WA300.via.Command.Injection.in.recvUpgradeNewFw.zip
Source: cna@vuldb.com
Exploit
https://vuldb.com/?ctiid.352046
Source: cna@vuldb.com
Permissions Required VDB Entry
https://vuldb.com/?id.352046
Source: cna@vuldb.com
Third Party Advisory VDB Entry
https://vuldb.com/?submit.773875
Source: cna@vuldb.com
Third Party Advisory VDB Entry
https://www.totolink.net/
Source: cna@vuldb.com
Product

6 reference(s) from NVD

Quick Stats

CVSS v3 Score
7.3 / 10.0
EPSS (Exploit Probability)
2.6%
86th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

CWE-77 CWE-78 CWE-78

Affected Vendors

totolink

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