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Public proof of concept

CVE-2022-30040

A public proof of concept exists; no exploitation attested.

  • Published2022-05-11
  • WeaknessCWE-787

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

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.

Timeline

dates in UTC
  1. 2022-05-1118:15CVE publishedNVD

Versions per branch

NVD
Tenda ax1803 firmwareversion to verify
BranchAffectedFixed in
1.0= 1.0.0.1_2890no fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

No fix published by the sources we read yet. NVD record

Detection

read 2026-11-01 01:02 UTC
Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published
2022-05-11
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-ppjc-pf2v-9xvx

Frequently asked questions

What is CVE-2022-30040?

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.

Is CVE-2022-30040 actively exploited?

Active exploitation of CVE-2022-30040 has not been confirmed. Its EPSS score was 1.9% on 2026-11-08, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2022-30040?

CVE-2022-30040 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

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