Vulnerability details
CVE-2026-114382
Totolink EX200
TOTOLINK EX200 lan.so cstecgi.cgi setStaticDhcpConfig stack-based overflow
CVSS 4.0
10.0Critical
Official description
A security flaw has been discovered in TOTOLINK EX200 5.2.3c.7200. This affects the function setStaticDhcpConfig of the file /cgi-bin/cstecgi.cgi of the component lan.so. The manipulation of the argument Comment results in stack-based buffer overflow. It is possible to launch the attack remotely. The exploit has been released to the public and may be used for attacks.
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 10.0Critical | 4.0 | CVEProject cvelistV5 (CNA) (VulDB) | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P |
| 10.0Critical | 3.1 | CVEProject cvelistV5 (CNA) (VulDB) | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R |
| 10.0Critical | 3.0 | CVEProject cvelistV5 (CNA) (VulDB) | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R |
| 10.0High | 2.0 | CVEProject cvelistV5 (CNA) (VulDB) | AV:N/AC:L/Au:N/C:C/I:C/A:C/E:POC/RL:ND/RC:UR |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| Totolink | EX200 | 5.2.3c.7200 | CVEProject cvelistV5 (CNA) |
References and advisories
6- https://vuldb.com/vuln/424741 vdb-entrytechnical-description
- https://vuldb.com/vuln/424741/cti signaturepermissions-required
- https://vuldb.com/cve/CVE-2026-114382 third-party-advisory
- https://vuldb.com/submit/1019881 third-party-advisory
- https://github.com/qwq-nm/CVE/blob/f5d61361eb7d846479f6d76c0aa4273e9af46d27/CVE1/report.md exploit
- https://www.totolink.net/ product
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Details
- Published
- 2026-10-22
- Last updated
- 2026-10-28
- State
- Published
- Assigner (CNA)
- VulDB
- Kolun priority
- 38 · Medium
Exploit prediction (EPSS)
0.66%
Probability of exploitation in 30 days
52.1%
Percentile (among all CVEs)
SSVC assessment (CISA)
- Automatable
- Yes
- Exploitation
- Proof of concept
- Technical impact
- Total
Weaknesses (CWE)
- CWE-121Stack-based Buffer Overflow
- CWE-119Memory Corruption