CVE-2026-93739 json
Totolink A3002MU formWlAc buffer overflow
published 2026-09-18 51 d ago modified 2026-09-23 46 d ago also EUVD-2026-83448
- cvss
- 9.9
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.9%
- EPSS 0.9% chance of exploitation in 30 days, percentile 58%
- public exploits
- 0
- none known
Summary
A vulnerability was determined in Totolink A3002MU Hh-B20211125.1046. This impacts the function formWlAc of the file /boafrm/formWlAc. Executing a manipulation of the argument submit-url can lead to buffer overflow. The attack may be performed from remote. The exploit has been publicly disclosed and may be utilized.
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- no
- Technical impact
- total
- Assessed
- 46 d ago
Exploit prediction
0.85% chance of exploitation in the next 30 days, higher than 58% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- github.com https://github.com/SunnyYANGyaya/cuicuishark-sheep-fishIOT/blob/main/ToTolink/A3002MU/bof-formWlAc.md referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 4.0 | 9.4 | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P |
| CNA | 3.1 | 9.9 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R |
| CNA | 3.0 | 9.9 | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R |
| CNA | 2.0 | 9.0 | AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR |
| CNA | 4.0 | 8.6 | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/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 | 9.9 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H |
| CNA | 2.0 | 9.0 | AV:N/AC:L/Au:S/C:C/I:C/A:C |
Affected products
- Totolink A3002MU
Classification
References
-
github.com
/SunnyYANGyaya/cuicuishark-sheep-fishIOT/blob/main/ToTolink/A3002MU/bof-formWlAc.md
exploit
-
vuldb.com
/vuln/407549
vdb-entry, technical-description
-
vuldb.com
/vuln/407549/cti
signature, permissions-required
-
vuldb.com
/cve/CVE-2026-93739
third-party-advisory
-
vuldb.com
/submit/914018
third-party-advisory
-
totolink.net
/
product
Sources
- CVE List CVE-2026-93739
- NVD CVE-2026-93739
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