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Vulnerabilities

Vulnerability · CVE-2026-30140

An incorrect access control vulnerability exists in Tenda W15E V02.03.01.26_cn.

Published Mar 9, 2026 · catalog updated Jun 17, 2026 · w15e firmware

Check if you run it

No confirmed exploitation is on record for CVE-2026-30140. EPSS is 0.43%. Act only if a listed version of w15e firmware is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
High7.5
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.43%
Remediation
Not established
Affected products
cpe tenda/w15e firmware

An incorrect access control vulnerability exists in Tenda W15E V02.03.01.26_cn. An unauthenticated attacker can access the /cgi-bin/DownloadCfg/RouterCfm.jpg endpoint to download the configuration file containing plaintext administrator credentials, leading to sensitive information disclosure and potential remote administrative access.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe tenda/w15e firmware02.03.01.26_cn

How to fix CVE-2026-30140

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-30140. EPSS is 0.43%. Act only if a listed version of w15e firmware is installed.

Which versions are affected?

Compare what you have installed with tenda/w15e firmware 02.03.01.26_cn. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-284: Improper Access Control. EPSS 0.43%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Mar 9, 2026 · NIST NVD

    Detected

    An incorrect access control vulnerability exists in Tenda W15E V02.03.01.26_cn. An unauthenticated attacker can access the /cgi-bin/DownloadCfg/RouterCfm.jpg endpoint to download the configuration file containing plaintext administrator credentials, leading to sensitive information disclosure and potential remote administrative access.

  2. Jun 17, 2026 · NIST NVD

    Updated

    An incorrect access control vulnerability exists in Tenda W15E V02.03.01.26_cn. An unauthenticated attacker can access the /cgi-bin/DownloadCfg/RouterCfm.jpg endpoint to download the configuration file containing plaintext administrator credentials, leading to sensitive information disclosure and potential remote administrative access.

Sources

  • CVE.orgVulnerability recordCVE-2026-30140

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-30140

    30-day exploitation probability 0.4%

    first.org
  • NIST NVDVulnerability recordCVE-2026-30140

    An incorrect access control vulnerability exists in Tenda W15E V02.03.01.26_cn. An unauthenticated attacker can access the /cgi-bin/DownloadCfg/RouterCfm.jpg endpoint to download the configuration file containing plaintext administrator credentials, leading to sensitive informati

    nvd.nist.gov

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.