CVE-2023-40798
HIGHCVSS 8.8/10EPSS 0.79%
Last modified
CVE-2023-40798 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. In Tenda AC23 v16.03.07.45_cn, the formSetIPv6status and formGetWanParameter functions do not authenticate user input parameters, resulting in a post-authentication stack overflow vulnerability.. EPSS estimates a 0.79% chance of exploitation in the next 30 days.
Description
In Tenda AC23 v16.03.07.45_cn, the formSetIPv6status and formGetWanParameter functions do not authenticate user input parameters, resulting in a post-authentication stack overflow vulnerability.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Tenda | Ac23 Firmware | 16.03.07.45_cn |
References
- https://github.com/lst-oss/Vulnerability/tree/main/Tenda/AC23/formSetIPv6status-formGetWanParameterExploit, Third Party Advisory
- https://github.com/lst-oss/Vulnerability/tree/main/Tenda/AC23/formSetIPv6status-formGetWanParameterExploit, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2023-40798?
In Tenda AC23 v16.03.07.45_cn, the formSetIPv6status and formGetWanParameter functions do not authenticate user input parameters, resulting in a post-authentication stack overflow vulnerability.
How severe is CVE-2023-40798?
CVE-2023-40798 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 0.79% probability of exploitation in the next 30 days.
How do I fix CVE-2023-40798?
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.
Are you affected by CVE-2023-40798?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST