CVE-2022-38566
Tenda M3 V1.0.0.12(4856) was discovered to contain a heap buffer overflow vulnerability in the...
Tenda M3 V1.0.0.12(4856) was discovered to contain a heap buffer overflow vulnerability in the function formEmailTest. This vulnerability allows attackers to cause a Denial of Service (DoS) via the mailname parameter.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
Tenda M3 V1.0.0.12(4856) was discovered to contain a heap buffer overflow vulnerability in the function formEmailTest. This vulnerability allows attackers to cause a Denial of Service (DoS) via the mailname parameter.
- Record
CVE-2022-38566- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-787
- Updated
- 2026-11-02
CVE List No score
Tenda M3 V1.0.0.12(4856) was discovered to contain a heap buffer overflow vulnerability in the function formEmailTest. This vulnerability allows attackers to cause a Denial of Service (DoS) via the mailname parameter.
- Record
CVE-2022-38566- Updated
- 2026-11-02
EUVDEUVD-2022-41144 No score
Tenda M3 V1.0.0.12(4856) was discovered to contain a heap buffer overflow vulnerability in the function formEmailTest. This vulnerability allows attackers to cause a Denial of Service (DoS) via the mailname parameter.
- Record
EUVD-2022-41144- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-7vf6-7fp6-hfcm
Tenda M3 V1.0.0.12(4856) was discovered to contain a heap buffer overflow vulnerability in the...
Tenda M3 V1.0.0.12(4856) was discovered to contain a heap buffer overflow vulnerability in the function formEmailTest. This vulnerability allows attackers to cause a Denial of Service (DoS) via the mailname parameter.
- Record
GHSA-7vf6-7fp6-hfcm- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-787
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2022-38566 is a high vulnerability (CVSS 7.5) in Tenda M3 Firmware, published August 28, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.99%, the 62nd percentile. No source names a fixed version.