Cross-Site Request Forgery Vulnerability in Hereta ETH-IMC408M Firmware
CVE-2026-29521

5.1MEDIUM

Key Information:

Vendor

Shenzhen Hereta Technology Co., Ltd.

Status
Hereta Eth-imc408m
Vendor
CVE Published:
16 March 2026

What is CVE-2026-29521?

The Hereta ETH-IMC408M firmware prior to version 1.0.15 is susceptible to a cross-site request forgery (CSRF) vulnerability. This security flaw arises from inadequate CSRF protections in the setup.cgi file, enabling attackers to craft malicious web pages that can submit unauthorized requests. These forged requests, which can be sent using automatically included HTTP Basic Authentication credentials, potentially allow attackers to modify device configurations, including adding RADIUS accounts, altering critical network settings, or initiating diagnostic routines. It is crucial for users to apply the latest firmware updates to mitigate the risks associated with this vulnerability.

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Affected Version(s)

Hereta ETH-IMC408M 0 <= 1.0.15

References

https://web.archive.org/web/20250820105319/http://hereta....
product
https://www.vulncheck.com/advisories/hereta-eth-imc408m-c...
third-party-advisory

CVSS V4

Score:
5.1
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Kazuma Matsumoto, a security researcher at GMO Cybersecurity by IERAE, Inc.
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