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Vulnerability record · CVE-2023-7095 · published 25 December 2023

CVE-2023-7095: Totolink a7100ru firmware classic buffer overflow vulnerability

TTotolink · A7100ru Firmware

A vulnerability, which was classified as critical, has been found in Totolink A7100RU 7.4cu.2313_B20191024. Affected by this issue 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 leads to buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. VDB-248942 is the identifier assigned to this vulnerability.

9.8 CVSS 3.1 Critical EPSS 14% · top 3.6% CWE-120 · Classic buffer overflow
9.8CVSS 3.1 base score, v2 10.0
14%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
6References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

A vulnerability, which was classified as critical, has been found in Totolink A7100RU 7.4cu.2313_B20191024. Affected by this issue 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 leads to buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. VDB-248942 is the identifier assigned to this vulnerability.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/unpWn4bL3/iot-security/blob/main/2.md ExploitThird Party Advisory
https://vuldb.com/?ctiid.248942 Permissions RequiredThird Party Advisory
https://vuldb.com/?id.248942 Third Party Advisory
https://github.com/unpWn4bL3/iot-security/blob/main/2.md ExploitThird Party Advisory
https://vuldb.com/?ctiid.248942 Permissions RequiredThird Party Advisory
https://vuldb.com/?id.248942 Third Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2023-7095), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.