CVE-2022-27022
There is a stack overflow vulnerability in the SetSysTimeCfg() function in the httpd service of...
There is a stack overflow vulnerability in the SetSysTimeCfg() function in the httpd service of Tenda AC9 V15.03.2.21_cn. The attacker can obtain a stable root shell through a constructed payload.
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
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
There is a stack overflow vulnerability in the SetSysTimeCfg() function in the httpd service of Tenda AC9 V15.03.2.21_cn. The attacker can obtain a stable root shell through a constructed payload.
- Record
CVE-2022-27022- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 10.0 High
AV:N/AC:L/Au:N/C:C/I:C/A:C - Weakness
- CWE-787
- Updated
- 2026-11-02
CVE List No score
There is a stack overflow vulnerability in the SetSysTimeCfg() function in the httpd service of Tenda AC9 V15.03.2.21_cn. The attacker can obtain a stable root shell through a constructed payload.
- Record
CVE-2022-27022- Updated
- 2026-11-02
EUVDEUVD-2022-31562 No score
There is a stack overflow vulnerability in the SetSysTimeCfg() function in the httpd service of Tenda AC9 V15.03.2.21_cn. The attacker can obtain a stable root shell through a constructed payload.
- Record
EUVD-2022-31562- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-vqpx-8vjh-qxx9
There is a stack overflow vulnerability in the SetSysTimeCfg() function in the httpd service of...
There is a stack overflow vulnerability in the SetSysTimeCfg() function in the httpd service of Tenda AC9 V15.03.2.21_cn. The attacker can obtain a stable root shell through a constructed payload.
- Record
GHSA-vqpx-8vjh-qxx9- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/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-2022-27022 is a critical vulnerability (CVSS 9.8) in Tenda Ac9 Firmware, published April 7, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.69%, the 77th percentile. No source names a fixed version.