CVE-2022-40866
CRITICALCVSS 9.8/10EPSS 0.97%
Last modified
CVE-2022-40866 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. Tenda W20E router V15.11.0.6 (US_W20EV4.0br_V15.11.0.6(1068_1546_841)_CN_TDC) contains a stack overflow vulnerability in the function formSetDebugCfg with request /goform/setDebugCfg/. EPSS estimates a 0.97% chance of exploitation in the next 30 days.
Description
Tenda W20E router V15.11.0.6 (US_W20EV4.0br_V15.11.0.6(1068_1546_841)_CN_TDC) contains a stack overflow vulnerability in the function formSetDebugCfg with request /goform/setDebugCfg/
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Tenda | W20e Firmware | 15.11.0.6 |
References
- https://github.com/CPSeek/Router-vuls/blob/main/Tenda/W20E/setDebugCfg.mdExploit, Third Party Advisory
- https://github.com/CPSeek/Router-vuls/blob/main/Tenda/W20E/setDebugCfg.mdExploit, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2022-40866?
Tenda W20E router V15.11.0.6 (US_W20EV4.0br_V15.11.0.6(1068_1546_841)_CN_TDC) contains a stack overflow vulnerability in the function formSetDebugCfg with request /goform/setDebugCfg/
How severe is CVE-2022-40866?
CVE-2022-40866 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 0.97% probability of exploitation in the next 30 days.
How do I fix CVE-2022-40866?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2022
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- CVE-2022-40862Tenda AC15 and AC18 router V15.03.05.19 contains stack overf…9.8
- CVE-2022-40864Tenda AC15 and AC18 routers V15.03.05.19 contain stack overf…9.8
- CVE-2022-40865Tenda AC15 and AC18 routers V15.03.05.19 contain heap overfl…9.8
- CVE-2022-40867Tenda W20E router V15.11.0.6 (US_W20EV4.0br_V15.11.0.6(1068_…9.8
- CVE-2022-40868Tenda W20E router V15.11.0.6 (US_W20EV4.0br_V15.11.0.6(1068_…9.8
- CVE-2022-40869Tenda AC15 and AC18 routers V15.03.05.19 contain stack overf…9.8
- CVE-2022-4087A vulnerability was found in iPXE. It has been declared as p…4.3
- CVE-2022-40870The Web Client of Parallels Remote Application Server v18.0 …8.1
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Are you affected by CVE-2022-40866?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST