CVE-2025-28028

moderate-risk

Published 2025-04-23

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 downloadFile.cgi through the v5 parameter.

Do I need to act?

0.32% chance of exploitation

EPSS score — low exploit probability

Not on CISA KEV list

No confirmed active exploitation reported to CISA

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 7.3/10 High

NETWORK / LOW complexity

Affected Products (4)

A830R Firmware

A950Rg Firmware

A3000Ru Firmware

A3100R Firmware

Affected Vendors

Totolink

References (2)

Exploit https://locrian-lightning-dc7.notion.site/BufferOverflow4-1948e5e2b1a280b9809af4...

Exploit https://locrian-lightning-dc7.notion.site/CVE-2025-28028-BufferOverflow4-1948e5e...

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moderate-risk

Severity 26/34 · High

Exploitability 1/34 · Minimal

Exposure 10/34 · Low