CVE-2023-40830
Tenda AC6 v15.03.05.19 is vulnerable to Buffer Overflow as the Index parameter does not verify...
Tenda AC6 v15.03.05.19 is vulnerable to Buffer Overflow as the Index parameter does not verify the length.
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
Tenda AC6 v15.03.05.19 is vulnerable to Buffer Overflow as the Index parameter does not verify the length.
- Record
CVE-2023-40830- 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-120
- Updated
- 2026-11-02
CVE List
Tenda AC6 v15.03.05.19 is vulnerable to Buffer Overflow as the Index parameter does not verify the length.
- Record
CVE-2023-40830- 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-120
- Updated
- 2026-11-02
EUVDEUVD-2023-45370
Tenda AC6 v15.03.05.19 is vulnerable to Buffer Overflow as the Index parameter does not verify the length.
- Record
EUVD-2023-45370- 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 - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-39px-7q22-34h2
Tenda AC6 v15.03.05.19 is vulnerable to Buffer Overflow as the Index parameter does not verify...
Tenda AC6 v15.03.05.19 is vulnerable to Buffer Overflow as the Index parameter does not verify the length.
- Record
GHSA-39px-7q22-34h2- 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-120
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-40830 is a critical vulnerability (CVSS 9.8) in Tenda Ac6 Firmware, published October 3, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.82%, the 57th percentile. No source names a fixed version.