Submit #600638: Linksys WRT1900ACS Ver. 2.0.3.201002 Stack-based Buffer Overflowinfo

TitleLinksys WRT1900ACS Ver. 2.0.3.201002 Stack-based Buffer Overflow
DescriptionI found a stack overflow vulnerability in Linksys routers. This vulnerability can be used with the popen function to execute arbitrary commands. In IGD binary: In SetDefaultConnectionService function, NewDefaultConnectionService is directly passed by the attacker,When using this parameter, strncpy is used directly for copying, causing a stack overflow.
Source⚠️ https://github.com/feiwuxingxie/cve/blob/main/linksys/vul01/1.md
User
 starash (UID 76883)
Submission06/19/2025 14:46 (12 months ago)
Moderation06/26/2025 22:14 (7 days later)
StatusAccepted
VulDB entry314050 [Linksys WRT1900ACS/EA7200/EA7450/EA7500 up to 20250619 IGD Layer3Forwarding SetDefaultConnectionService NewDefaultConnectionService stack-based overflow]
Points18

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