CVE-2025-28026

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.

CVSS v3.1

7.3 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

EPSS

0.38% chance of exploitation in the next 30 days, 31th percentile

Published

2025-04-22

Updated

2025-04-23

Proof-of-concept exploits (2)

• https://locrian-lightning-dc7.notion.site/BufferOverflow3-19e8e5e2b1a28048b8ddd4afdbe18d55
• https://locrian-lightning-dc7.notion.site/CVE-2025-28026-BufferOverflow3-19e8e5e2b1a28048…

References

• CVE Record
• NVD entry

Related

• CVE-2025-28025
• CVE-2025-28027
• CVE-2025-28024
• CVE-2025-28028
• CVE-2025-28022
• CVE-2025-28029