CVE-2026-5679 json
Totolink A3300R cstecgi.cgi vsetTr069Cfg os command injection
published 2026-04-06 7 mo ago modified 2026-07-24 3 mo ago also EUVD-2026-19464
- cvss
- 5.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.0%
- EPSS 2.0% chance of exploitation in 30 days, percentile 81%
- public exploits
- 0
- none known
Summary
A security vulnerability has been detected in Totolink A3300R 17.0.0cu.557_B20221024. The impacted element is the function vsetTr069Cfg of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument stun_pass leads to os command injection. The exploit has been disclosed publicly and may be used.
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- no
- Technical impact
- partial
- Assessed
- 7 mo ago
Exploit prediction
2.01% chance of exploitation in the next 30 days, higher than 81% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- github.com https://github.com/Svigo-o/TOTOLINK-Vul/tree/main/totolink-a3300r-stun-pass-cmd-injection referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 4.0 | 5.1 | CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P |
| CNA | 3.1 | 5.5 | CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R |
| CNA | 3.0 | 5.5 | CVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R |
| CNA | 2.0 | 5.2 | AV:A/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR |
| CNA | 4.0 | 2.0 | CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/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 | 5.5 | CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L |
| CNA | 2.0 | 5.2 | AV:A/AC:L/Au:S/C:P/I:P/A:P |
Affected products
- Totolink A3300R
Classification
References
-
github.com
/Svigo-o/TOTOLINK-Vul/tree/main/totolink-a3300r-stun-pass-cmd-injection
exploit
-
vuldb.com
/vuln/355506
vdb-entry, technical-description
-
vuldb.com
/vuln/355506/cti
signature, permissions-required
-
vuldb.com
/submit/792650
third-party-advisory
-
vuldb.com
/submit/792798
third-party-advisory
-
totolink.net
/
product
Sources
- CVE List CVE-2026-5679
- NVD CVE-2026-5679
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