Buffer overflow in Totolink A7100ru
CVE-2023-7095
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.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.137 (96.4th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 96th percentile — 96.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.137 · newest: 0.137 · change: 0.000
Affected products
- Totolink A7100ru — versions 7.4cu.2313_B20191024
- Totolink A7100ru Firmware — versions 7.4cu.2313_b20191024
Weakness classification (CWE)
References
- vuldb.com/ (technical-description, Third Party Advisory, vdb-entry)
- vuldb.com/ (signature, Permissions Required, permissions-required, Third Party Advisory)
- github.com/unpWn4bL3/iot-security/blob/main/2.md (Exploit, Third Party Advisory, exploit)
Frequently asked questions
- What is CVE-2023-7095?
- CVE-2023-7095 is a critical-severity vulnerability in Totolink A7100ru, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 9.8/10. Published 2023-12-25.
- How severe is CVE-2023-7095?
- Critical severity. CVSS v3 base score is 9.8 out of 10.