High severity · published Aug 18, 2025
CVE-2025-55586
TOTOLINK A3002R v4.0.0-B20230531.1404 was discovered to contain a buffer overflow in the url parameter at /boafrm/formFilter
7.5
CVSS
0.4%
EPSS
No
On KEV
Description
TOTOLINK A3002R v4.0.0-B20230531.1404 was discovered to contain a buffer overflow in the url parameter at /boafrm/formFilter. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted input.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
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
A3002r Firmware · Totolink
4.0.0-b20230531.1404 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-55586
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-55586
Exploit
https://github.com/goldenGlow21/softwares_PoC/blob/main/A3002R_V4/Boa%20-%20BOF/formFilter%20PoC.md
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