Medium severity · published Apr 15, 2025
CVE-2025-28136
TOTOLINK A800R V4.1.2cu.5137_B20200730 was found to contain a buffer overflow vulnerability in the downloadFile.cgi
6.5
CVSS
0.3%
EPSS
No
On KEV
Description
TOTOLINK A800R V4.1.2cu.5137_B20200730 was found to contain a buffer overflow vulnerability in the downloadFile.cgi.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 24% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AF
A800r Firmware · Totolink
4.1.2cu.5137_b20200730 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-28136
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-28136
Third Party Advisory
https://github.com/Zerone0x00/CVE/blob/main/TOTOLINK/CVE-2025-28136.md
Third Party Advisory
https://sudsy-eyeliner-a59.notion.site/BufferOverflow-V4-1-2cu-5137_B20200730-19872b8cd95f80cf8df9f3abcb912554
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