CVE-2022-26278
Tenda AC9 v15.03.2.21_cn was discovered to contain a stack overflow via the time parameter in the...
Tenda AC9 v15.03.2.21_cn was discovered to contain a stack overflow via the time parameter in the PowerSaveSet function.
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
9.8
Tenda AC9 v15.03.2.21_cn was discovered to contain a stack overflow via the time parameter in the PowerSaveSet function.
- Record
CVE-2022-26278- 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
Tenda AC9 v15.03.2.21_cn was discovered to contain a stack overflow via the time parameter in the PowerSaveSet function.
- Record
CVE-2022-26278- Updated
- 2026-11-02
EUVDEUVD-2022-30839 No score
Tenda AC9 v15.03.2.21_cn was discovered to contain a stack overflow via the time parameter in the PowerSaveSet function.
- Record
EUVD-2022-30839- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-56qv-38gf-4469
9.8
Tenda AC9 v15.03.2.21_cn was discovered to contain a stack overflow via the time parameter in the...
Tenda AC9 v15.03.2.21_cn was discovered to contain a stack overflow via the time parameter in the PowerSaveSet function.
- Record
GHSA-56qv-38gf-4469- 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-2022-26278 is a critical vulnerability (CVSS 9.8) in Tenda Ac9 Firmware, published March 28, 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.