CVE-2026-114382 json
TOTOLINK EX200 lan.so cstecgi.cgi setStaticDhcpConfig stack-based overflow
published 2026-10-21 18 d ago modified 2026-10-28 12 d ago also EUVD-2026-107579
- cvss
- 10.0
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.7%
- EPSS 0.7% chance of exploitation in 30 days, percentile 52%
- public exploits
- 0
- none known
Summary
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.
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- yes
- Technical impact
- total
- Assessed
- 12 d ago
Exploit prediction
0.67% chance of exploitation in the next 30 days, higher than 52% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- github.com https://github.com/qwq-nm/CVE/blob/f5d61361eb7d846479f6d76c0aa4273e9af46d27/CVE1/report.md referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 4.0 | 10.0 | 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 |
| CNA | 3.1 | 10.0 | 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 |
| CNA | 3.0 | 10.0 | 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 |
| CNA | 2.0 | 10.0 | AV:N/AC:L/Au:N/C:C/I:C/A:C/E:POC/RL:ND/RC:UR |
| CNA | 4.0 | 9.3 | 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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X |
| CNA | 3.1 | 10.0 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H |
| CNA | 2.0 | 10.0 | AV:N/AC:L/Au:N/C:C/I:C/A:C |
Affected products
- TOTOLINK EX200
Classification
References
-
github.com
/qwq-nm/CVE/blob/f5d61361eb7d846479f6d76c0aa4273e9af46d27/CVE1/report.md
exploit
-
vuldb.com
/vuln/424741
vdb-entry, technical-description
-
vuldb.com
/vuln/424741/cti
signature, permissions-required
-
vuldb.com
/cve/CVE-2026-114382
third-party-advisory
-
vuldb.com
/submit/1019881
third-party-advisory
-
totolink.net
/
product
Sources
- CVE List CVE-2026-114382
- NVD CVE-2026-114382
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