7.5

CVE-2022-30040: tenda ax1803_firmware Out-of-bounds Write

Modified
Published 11-05-2022Last modified 03-08-2024

Vulnerability summary

CVE-2022-30040 is a high (CVSS 7.5) Out-of-bounds Write vulnerability in tenda ax1803_firmware. EPSS estimates a 1.89% chance of exploitation in the next 30 days, higher than 79.3% of scored vulnerabilities. 2 public exploits are recorded.

Overall risk
40/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (NVD)
EPSS score
1.89%
0%100%
Low · +0.03 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits2github

Timeline

  1. 11-05-2022
    PublishedVulnerability first disclosed.
  2. 03-08-2024
    Last modifiedVulnerability information updated.

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.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

1.89%

Chance of exploitation in the next 30 days

Percentile

79%

Versus all other CVEs

30-day change

Increase +0.03 pp

From 1.86% on 22-09-2026

22-09-202622-10-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

2 found
  • githubUnverified

    Tenda Ax1803 Denial Of Service

    Maturity: poc

  • githubUnverified

    Cve 2022 30040

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

Tenda1 product

1 vendor · 1 product

References

2 links