CVE-2025-15076Public exploitNetwork attack vector

Unauthenticated administrative access via uncanonicalized URL paths

Published Dec 25, 2025 · Updated Dec 25, 2025

Path traversal in Tenda CH22 firmware 1.0.0.1 allows remote attackers to reach administrative pages through crafted HTTP paths. R7WebsSecurityHandler accepts any URL beginning with the unauthenticated /public/ prefix before the web server resolves embedded ../ segments. No credentials are required, and /public/../../system_upgrade.asp bypasses the filter and exposes the firmware-upgrade interface.

CVSS severity7.3
High
EPSS probability0.69%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Path traversal in Tenda CH22 firmware 1.0.0.1 allows remote attackers to reach administrative pages through crafted HTTP paths. R7WebsSecurityHandler accepts any URL beginning with the unauthenticated /public/ prefix before the web server resolves embedded ../ segments. No credentials are required, and /public/../../system_upgrade.asp bypasses the filter and exposes the firmware-upgrade interface.

The record

CVE
CVE-2025-15076
Published
Dec 25, 2025
Updated
Dec 25, 2025
Vendor
Shenzhen Tenda Technology Co., Ltd.
Product
CH22 Firmware
Classifications
CWE-22, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Dec 25, 2025CVE publishedPublication date reported by the CVE source.
  2. Dec 25, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=1.0.0.1

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Shenzhen Tenda Technology Co., Ltd. · CH22 Firmwareversion=1.0.0.1

Published CVSS scores

7.3VulDBCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
7.5VulDBAV:N/AC:L/Au:N/C:P/I:P/A:P
5.5VulDBCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-22Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
T1190Exploit Public-Facing Application

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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