High severity · published Apr 22, 2025
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…
7.3
CVSS
0.4%
EPSS
No
On KEV
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 downloadFile.cgi.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 34% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AF
A3000ru Firmware · Totolink
5.9c.5185_b20201128 · source: NVD
AF
A3100r Firmware · Totolink
4.1.2cu.5247_b20211129 · source: NVD
AF
A830r Firmware · Totolink
4.1.2cu.5182_b20201102 · source: NVD
AF
A950rg Firmware · Totolink
4.1.2cu.5161_b20200903 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-28026
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-28026
Exploit
https://locrian-lightning-dc7.notion.site/BufferOverflow3-19e8e5e2b1a28048b8ddd4afdbe18d55
Exploit
https://locrian-lightning-dc7.notion.site/CVE-2025-28026-BufferOverflow3-19e8e5e2b1a28048b8ddd4afdbe18d55
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