VulnerabilityAnalyzed
CVE-2026-4008
Executing a manipulation of the argument index/GO can lead to stack-based buffer overflow.
HIGH 7.4EPSS 0.64%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.64%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
A flaw has been found in Tenda W3 1.0.0.3(2204). This issue affects some unknown processing of the file /goform/wifiSSIDset of the component POST Parameter Handler. Executing a manipulation of the argument index/GO can lead to stack-based buffer overflow. It is possible to launch the attack remotely. The exploit has been published and may be used.
- CVSS 4.0
- 7.4 HIGHCVSS: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/M
- EPSS
- 0.64% probability · 49th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-119, CWE-121, CWE-787
- Affected
- tenda/w3 firmware
- Source
- cna@vuldb.com
References
- https://github.com/Svigo-o/Tenda_vul/tree/main/tenda-w3-formwrlSSIDset-go-buffer-overflowExploit, Third Party Advisory
- https://github.com/Svigo-o/Tenda_vul/tree/main/tenda-w3-formwrlSSIDset-index-buffer-overflowExploit, Third Party Advisory
- https://vuldb.com/?ctiid.350531Permissions Required, VDB Entry
- https://vuldb.com/?id.350531Third Party Advisory, VDB Entry
- https://vuldb.com/?submit.769182Third Party Advisory, VDB Entry
- https://vuldb.com/?submit.769183Third Party Advisory, VDB Entry
- https://www.tenda.com.cn/Product
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.