critical9.8

CVE-2025-67188

A buffer overflow vulnerability exists in TOTOLINK A950RG V4.1.2cu.5204_B20210112.

Impact

A buffer overflow vulnerability exists in TOTOLINK A950RG V4.1.2cu.5204_B20210112. The issue resides in the setRadvdCfg interface of the /lib/cste_modules/ipv6.so module. The function fails to properly validate the length of the user-controlled radvdinterfacename parameter, allowing remote attackers to trigger a stack buffer overflow.

Affected products

Vendor	Product	Affected versions
Totolink	A950rg Firmware	Version 4.1.2cu.5204_b20210112

Weakness classification

CWE-120

References

NVD record
CVE.org record
https://github.com/SunnyYANGyaya/cuicuishark-sheep-fishIOT/blob/main/ToTolink/A950RG/5024-ipv6-setRadvdCfg-radvdinterfacename-buffer.md