CVE-2023-7208: totolink x2000r_firmware Classic Buffer Overflow
Vulnerability summary
CVE-2023-7208 is a critical (CVSS 9.8) Classic Buffer Overflow vulnerability in totolink x2000r_firmware. EPSS estimates a 1.75% chance of exploitation in the next 30 days, higher than 77.6% of scored vulnerabilities. 1 public exploit is recorded.
Timeline
- 07-01-2024PublishedVulnerability first disclosed.
- 02-08-2024Last modifiedVulnerability information updated.
Description
A vulnerability classified as critical was found in Totolink X2000R_V2 2.0.0-B20230727.10434. This vulnerability affects the function formTmultiAP of the file /bin/boa. The manipulation leads to buffer overflow. VDB-249742 is the identifier assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
CVSS metrics
5 scores · 2 sources · 3 versions- CVE.orgCNA8.0HighCVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HDiffers
- NVDNIST7.7HighAV:A/AC:L/Au:S/C:C/I:C/A:C
EPSS trend
Probability
1.75%
Chance of exploitation in the next 30 days
Percentile
78%
Versus all other CVEs
30-day change
0.00 pp
From 1.75% on 21-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundIot Security
Maturity: poc
Weaknesses
CWE · root cause- CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer.
- CWE-787Out-of-bounds WriteThe product writes data past the end, or before the beginning, of the intended buffer.
Affected systems
Totolink2 products
- x2000r_firmware2.0.0-b20230727.10434
- x2000r_v22.0.0-B20230727.10434
1 vendor · 2 products