CVE-2026-3970 json
Tenda i3 wifiSSIDget formwrlSSIDget stack-based overflow
published 2026-03-12 7 mo ago modified 2026-06-17 4 mo ago also EUVD-2026-11497
- cvss
- 8.8
- 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 54%
- public exploits
- 0
- none known
Summary
A flaw has been found in Tenda i3 1.0.0.6(2204). Affected is the function formwrlSSIDget of the file /goform/wifiSSIDget. Executing a manipulation of the argument index can lead to stack-based buffer overflow. The attack may be launched remotely. The exploit has been published and may be used.
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- no
- Technical impact
- total
- Assessed
- 7 mo ago
Exploit prediction
0.72% chance of exploitation in the next 30 days, higher than 54% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- github.com https://github.com/Svigo-o/Tenda_vul/tree/main/tenda-i3-formwrlSSIDget-index-buffer-overflow referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 4.0 | 8.7 | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P |
| CNA | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R |
| CNA | 3.0 | 8.8 | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/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 | 7.4 | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/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 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/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
- Tenda i3
Classification
References
-
github.com
/Svigo-o/Tenda_vul/tree/main/tenda-i3-formwrlSSIDget-index-buffer-overflow
exploit, third-party-advisory
-
vuldb.com
/?id.350405
vdb-entry, technical-description, third-party-advisory
-
vuldb.com
/?ctiid.350405
signature, permissions-required, vdb-entry
-
vuldb.com
/?submit.768995
third-party-advisory, vdb-entry
-
tenda.com.cn
/
product
Sources
- CVE List CVE-2026-3970
- NVD CVE-2026-3970
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.