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High severity · published May 16, 2025
CVE-2025-4731
A vulnerability classified as critical has been found in TOTOLINK A3002R and A3002RU 3.0.0-B20230809.1615
8.8
CVSS
0.8%
EPSS
No
On KEV
Description
A vulnerability classified as critical has been found in TOTOLINK A3002R and A3002RU 3.0.0-B20230809.1615. This affects an unknown part of the file /boafrm/formPortFw of the component HTTP POST Request Handler. The manipulation of the argument service_type/ip_subnet leads to buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.8% · higher than 58% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AF
A3002r Firmware · Totolink
3.0.0-b20230809.1615 · source: NVD
AF
A3002ru Firmware · Totolink
3.0.0-b20230809.1615 · source: NVD
Affected product
AF
A3002r Firmware
Totolink
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-4731
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-4731
Broken Link
https://github.com/CH13hh/tmp_store_cc/blob/main/tt/ta/4.md
Permissions Required
https://vuldb.com/?ctiid.309033
Third Party Advisory
https://vuldb.com/?id.309033
Third Party Advisory
https://vuldb.com/?submit.570688
Product
https://www.totolink.net/
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