CVE-2026-90689

8.7 highEPSS 0.9%

High (8.7). EPSS 0.9% chance of exploitation in the next 30 days.

A security flaw has been discovered in Tenda W20E 15.11.0.61068_1546_841_CN_TDC. Impacted is the function formDelWebAuthWhiteUser. Performing a manipulation of the argument webAuthWhiteUserIndex results in stack-based buffer overflow. The attack can be initiated remotely.

Severity

CVSS 4.0

8.7 high

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

CVSS 3.1

8.8 high

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS: 0.9% chance of exploitation in the next 30 days; higher than 58% of CVEs (scores of 2026-10-31)
CWEs: CWE-119, CWE-121
Published: 2026-09-14
Modified: 2026-09-14
Record from: the NVD, synced 2026-10-19

References

https://github.com/Amalll-Sec/router-vulnerability-research/blob/main/advisories/Tenda/W20E/formDelWebAuthWhiteUser/README.md
https://vuldb.com/cve/CVE-2026-90689
https://vuldb.com/submit/914981
https://vuldb.com/vuln/403222
https://vuldb.com/vuln/403222/cti

Check your stack JSON