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Vulnerability record · CVE-2026-30140 · published 9 March 2026

CVE-2026-30140: Tenda w15e firmware improper access control vulnerability

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.

7.5 CVSS 3.1 High EPSS 0.41% · top 66.9% CWE-284 · Improper access control
7.5CVSS 3.1 base score
0.41%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
1References
17 Jun 2026Last modified by NVD

Description

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.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/jhx-ui/CVE-Reports/blob/main/README.md#vulnerability-report-tenda-router-sensitive-information-disclo Broken Link

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2023-27061Tenda w15e firmware classic buffer overflow vulnerabilityTenda V15V1.0 V15.11.0.14(1521_3190_1058) was discovered to contain a buffer overflow vulnerability via the wifiFilterListRemark parameter in the mod…EPSS 1.0%9.8CVE-2023-27063Tenda w15e firmware classic buffer overflow vulnerabilityTenda V15V1.0 V15.11.0.14(1521_3190_1058) was discovered to contain a buffer overflow vulnerability via the DNSDomainName parameter in the formModify…EPSS 1.0%9.8CVE-2022-42058Tenda w15e firmware out-of-bounds write vulnerabilityTenda AC1200 Router Model W15Ev2 V15.11.0.10(1576) was discovered to contain a stack overflow via the setRemoteWebManage function. This vulnerability…EPSS 1.4%8.8CVE-2024-4126Tenda w15e firmware stack-based buffer overflow vulnerabilityA vulnerability was found in Tenda W15E 15.11.0.14 and classified as critical. This issue affects the function formSetSysTime of the file /goform/Set…EPSS 1.8%8.8CVE-2024-4127Tenda w15e firmware stack-based buffer overflow vulnerabilityA vulnerability was found in Tenda W15E 15.11.0.14. It has been classified as critical. Affected is the function guestWifiRuleRefresh. The manipulati…EPSS 1.8%8.8CVE-2024-4123Tenda w15e firmware stack-based buffer overflow vulnerabilityA vulnerability, which was classified as critical, has been found in Tenda W15E 15.11.0.14. Affected by this issue is the function formSetPortMapping…EPSS 1.7%8.8CVE-2024-4124Tenda w15e firmware stack-based buffer overflow vulnerabilityA vulnerability, which was classified as critical, was found in Tenda W15E 15.11.0.14. This affects the function formSetRemoteWebManage of the file /…EPSS 1.7%8.8CVE-2024-4125Tenda w15e firmware stack-based buffer overflow vulnerabilityA vulnerability has been found in Tenda W15E 15.11.0.14 and classified as critical. This vulnerability affects the function formSetStaticRoute of the…EPSS 1.8%

Source: NIST National Vulnerability Database (record CVE-2026-30140), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.