CVE-2023-6906
Totolink A7100RU HTTP POST Request main buffer overflow
- State
- Published
- Severity
- 9.8 Critical
- Published
- Dec 18, 2023
- Updated
- May 7, 2025
- Reserved
- Dec 17, 2023
Description
A vulnerability, which was classified as critical, was found in Totolink A7100RU 7.4cu.2313_B20191024. Affected is the function main of the file /cgi-bin/cstecgi.cgi?action=login of the component HTTP POST Request Handler. The manipulation of the argument flag with the input ie8 leads to buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-248268. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 9.8 Critical | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H | VulDB |
| 3.0 | 9.8 Critical | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H | VulDB |
| 2.0 | 10.0 High | AV:N/AC:L/Au:N/C:C/I:C/A:C | VulDB |
Weaknesses
- CWE-120 Buffer Overflow
Affected Products
| Product | Versions |
|---|---|
A7100RUTotolink |
|
References
- https://vuldb.com/?id.248268vdb-entrytechnical-description
- https://vuldb.com/?ctiid.248268signaturepermissions-required
- https://github.com/unpWn4bL3/iot-security/blob/main/1.mdexploit
Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.