CVE-2022-30040

Name: CVE-2022-30040
Creator: NVD / NIST
Published: 2022-05-11T18:15:29.173+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 1.84%

Last modified Jun 17, 2026

CVE-2022-30040 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. Tenda AX1803 v1.0.0.1_2890 is vulnerable to Buffer Overflow. The vulnerability lies in rootfs_ In / goform / setsystimecfg of / bin / tdhttpd in ubif file system, attackers can access http://ip/goform/SetSysTimeCfg, and by setting the ntpserve parameter, the stack buffer overflow can be caused to achieve the effect of router denial of service.. EPSS estimates a 1.84% chance of exploitation in the next 30 days.

Description

Tenda AX1803 v1.0.0.1_2890 is vulnerable to Buffer Overflow. The vulnerability lies in rootfs_ In / goform / setsystimecfg of / bin / tdhttpd in ubif file system, attackers can access http://ip/goform/SetSysTimeCfg, and by setting the ntpserve parameter, the stack buffer overflow can be caused to achieve the effect of router denial of service.

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Probability

1.84%

76.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-787

Affected Software

Vendor	Product	Versions
Tenda	Ax1803 Firmware	1.0.0.1_2890

References

https://github.com/Le1a/CVE-2022-30040Exploit, Third Party Advisory
https://github.com/Le1a/Tenda-AX1803-Denial-of-serviceExploit, Third Party Advisory
https://github.com/Le1a/CVE-2022-30040Exploit, Third Party Advisory
https://github.com/Le1a/Tenda-AX1803-Denial-of-serviceExploit, Third Party Advisory

Timeline

Published: May 11, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-30040?

How severe is CVE-2022-30040?

CVE-2022-30040 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.84% probability of exploitation in the next 30 days.

How do I fix CVE-2022-30040?

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-2022-30040?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST