What’s Vulnerable › Vulnerabilities

CVE-2025-28029

• Severity: high (CVSS 7.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2025-04-22 · updated 2026-06-17
• Weakness: CWE-121

Description

TOTOLINK A830R V4.1.2cu.5182_B20201102, A950RG V4.1.2cu.5161_B20200903, A3000RU V5.9c.5185_B20201128, and A3100R V4.1.2cu.5247_B20211129 were found to contain a buffer overflow vulnerability in cstecgi.cgi

Affected products

• TOTOLINK A3000RU: 5.9c.5185_b20201128
• TOTOLINK A3100R: 4.1.2cu.5247_b20211129
• TOTOLINK A830R Firmware: 4.1.2cu.5182_b20201102
• TOTOLINK A950Rg Firmware: 4.1.2cu.5161_b20200903

References

• https://locrian-lightning-dc7.notion.site/BufferOverflow5-1978e5e2b1a28043af78e5ccfc0203a0
• https://locrian-lightning-dc7.notion.site/CVE-2025-28023-CVE-2025-28029-BufferOverflow5-1978e5e2b1a28043af78e5ccfc0203a0

Get alerted when CVE-2025-28029 or the next vulnerability affects your stack