CVE-2026-121597 TOTOLINK A950RG Easy Setup Wizard cstecgi.cgi setAppEasyWizardConfig stack-based overflow
CriticalCVSS 9.4
EPSS 0.60%
- Published
- Updated
- Exploit status
- No public exploit known
Description
A weakness has been identified in TOTOLINK A950RG 4.1.2cu.5268_B20221104. This affects the function setAppEasyWizardConfig of the file /cgi-bin/cstecgi.cgi of the component Easy Setup Wizard Handler. Executing a manipulation of the argument functionType can lead to stack-based buffer overflow. The attack may be performed from remote. The exploit has been made available to the public and could be used for attacks.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| totolink a950rg firmware | = 4.1.2cu.5268_B20221104 | No fix listed |
References
- VDB-430439 | TOTOLINK A950RG Easy Setup Wizard cstecgi.cgi setAppEasyWizardConfig stack-based overflow technical-description vdb-entry
- VDB-430439 | CTI Indicators (IOB, IOC, IOA) permissions-required signature
- CVE-2026-121597 | CVE Analysis and Report third-party-advisory
- Submit #1022558 | TOTOLINK A950RG V4.1.2cu.5268_B20221104 Stack Buffer Overflow third-party-advisory
- gist.github.com exploit
- www.totolink.net broken-link product