CVE-2022-40845Public exploitNetwork attack vector

Password disclosure via unauthenticated configuration download

Published Nov 15, 2022 · Updated May 13, 2025

Password exposure in Tenda AC1200 W15Ev2 15.11.0.10(1576) allows remote authenticated users to retrieve stored credentials. The /cgi-bin/DownloadCfg/RouterCfm.cfg endpoint returns a configuration backup containing administrator, Wi-Fi, and guest passwords without enforcing authorization. Exploitation requires access to the local web interface or an enabled hosted remote-management console and exposes credentials usable against the router and wireless network.

CVSS severity6.5
Medium
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

Password exposure in Tenda AC1200 W15Ev2 15.11.0.10(1576) allows remote authenticated users to retrieve stored credentials. The /cgi-bin/DownloadCfg/RouterCfm.cfg endpoint returns a configuration backup containing administrator, Wi-Fi, and guest passwords without enforcing authorization. Exploitation requires access to the local web interface or an enabled hosted remote-management console and exposes credentials usable against the router and wireless network.

The record

CVE
CVE-2022-40845
Published
Nov 15, 2022
Updated
May 13, 2025
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-425, T1552.001
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Nov 15, 2022CVE publishedPublication date reported by the CVE source.
  2. May 13, 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?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

6.5CISA-ADPCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
6.5NIST NVDCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

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.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

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
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-425Direct Request ('Forced Browsing')
T1552.001Unsecured Credentials: Credentials In Files

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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