High severity · published May 17, 2025
CVE-2025-4830
TOTOLINK A702R/A3002R/A3002RU HTTP POST Request formSysCmd buffer overflow
8.8
CVSS
0.8%
EPSS
No
On KEV
Description
A vulnerability, which was classified as critical, has been found in TOTOLINK A702R, A3002R and A3002RU 3.0.0-B20230809.1615. Affected by this issue is some unknown functionality of the file /boafrm/formSysCmd of the component HTTP POST Request Handler. The manipulation of the argument submit-url leads to buffer overflow. The attack may be launched 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
A3
A3002R · TOTOLINK
3.0.0-B20230809.1615 · source: vendor
A3
A3002RU · TOTOLINK
3.0.0-B20230809.1615 · source: vendor
A7
A702R · TOTOLINK
3.0.0-B20230809.1615 · source: vendor
AF
A3002r Firmware · Totolink
3.0.0-b20230809.1615 · source: NVD
AF
A3002ru Firmware · Totolink
3.0.0-b20230809.1615 · source: NVD
AF
A702r Firmware · Totolink
3.0.0-b20230809.1615 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-4830
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-4830
Broken Link
https://github.com/CH13hh/tmp_store_cc/blob/main/toto/8.md
Permissions Required
https://vuldb.com/?ctiid.309296
Third Party Advisory
https://vuldb.com/?id.309296
Third Party Advisory
https://vuldb.com/?submit.574600
Product
https://www.totolink.net/
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