CVE-2024-7156Public exploitNetwork attack vector

Unauthenticated configuration disclosure via export endpoint

Published Jul 28, 2024 · Updated Aug 1, 2024

Information disclosure in TOTOLINK A3700R 9.1.2u.5822_B20200513 allows remote attackers to download router configuration data. The /cgi-bin/ExportSettings.sh endpoint serves the apmib configuration export without requiring authentication. Network reachability to the management interface is sufficient; the disclosed impact is read-only exposure, with no reported write or availability effect.

CVSS severity7.5
High
EPSS probability13.34%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Information disclosure in TOTOLINK A3700R 9.1.2u.5822_B20200513 allows remote attackers to download router configuration data. The /cgi-bin/ExportSettings.sh endpoint serves the apmib configuration export without requiring authentication. Network reachability to the management interface is sufficient; the disclosed impact is read-only exposure, with no reported write or availability effect.

The record

CVE
CVE-2024-7156
Published
Jul 28, 2024
Updated
Aug 1, 2024
Vendor
TOTOLINK
Product
A3700R
Classifications
CWE-200, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jul 28, 2024CVE publishedPublication date reported by the CVE source.
  2. Aug 1, 2024Record 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=9.1.2u.5822_B20200513

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

TOTOLINK · A3700Rversion=9.1.2u.5822_B20200513
TOTOLINK · TOTOLINK A3700R Firmwareversion=9.1.2u.5822_b20200513

Published CVSS scores

5.3VulDB CNACVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
6.9VulDB CNACVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
5.3VulDB CNACVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
7.5NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
5.0VulDB CNAAV:N/AC:L/Au:N/C:P/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.

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No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-200Exposure of Sensitive Information to an Unauthorized Actor
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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