CVE-2026-4497
Totolink WA300 cstecgi.cgi recvUpgradeNewFw os command injection
- State
- Published
- Severity
- 6.9 Medium
- Published
- Mar 20, 2026
- Updated
- Mar 20, 2026
- Reserved
- Mar 20, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 6.9 Medium | 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 | VulDB |
| 3.1 | 7.3 High | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R | VulDB |
| 3.0 | 7.3 High | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R | VulDB |
| 2.0 | 7.5 High | AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:ND/RC:UR | VulDB |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
WA300Totolink |
|
References
- VDB-352046 | Totolink WA300 cstecgi.cgi recvUpgradeNewFw os command injectionvdb-entrytechnical-description
- VDB-352046 | CTI Indicators (IOB, IOC, TTP, IOA)signaturepermissions-required
- Submit #773875 | Totolink WA300 V5.2cu.7112_B20190227 OS Command Injectionthird-party-advisory
- https://github.com/hellonestor/killallbug/issues/1issue-tracking
- https://github.com/user-attachments/files/25790616/Unauthenticated.Remote.Code.Execution.in.TOTOLINK.WA300.via.Command.Injection.in.recvUpgradeNewFw.zipexploitpatch
- https://www.totolink.net/product
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