High severity · published Sep 1, 2025
CVE-2025-9783
TOTOLINK A702R formParentControl sub_418030 buffer overflow
8.8
CVSS
0.7%
EPSS
No
On KEV
Description
A vulnerability was determined in TOTOLINK A702R 4.0.0-B20211108.1423. This issue affects the function sub_418030 of the file /boafrm/formParentControl. Executing manipulation of the argument submit-url can lead to buffer overflow. The attack may be launched remotely. The exploit has been publicly disclosed and may be utilized.
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)0.7% · higher than 52% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
A7
A702R · TOTOLINK
4.0.0-B20211108.1423 · source: vendor
AF
A702r Firmware · Totolink
4.0.0-b20211108.1423 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-9783
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-9783
Broken Link
https://github.com/rew1X/CVE/blob/main/TOTOLINK/A702R/formParentControl/formParentControl.md
Broken Link
https://github.com/rew1X/CVE/blob/main/TOTOLINK/A702R/formParentControl/formParentControl.md#poc
Permissions Required
https://vuldb.com/?ctiid.322085
Third Party Advisory
https://vuldb.com/?id.322085
Third Party Advisory
https://vuldb.com/?submit.640991
Product
https://www.totolink.net/
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