Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1336 CNY

100%
Buy Us a Coffee

CVE-2026-77151— lin-snow Ech0 crypto.go MD5Encrypt risky encryption

Quick assessment

Affected
lin-snow Ech0
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

在 lin-snow Ech0 5.4.1 及更早版本中发现了一个安全漏洞。受影响的功能是文件 中的 函数。执行操作会导致使用存在风险的加密算法。该漏洞可能被远程利用，但攻击复杂度较高，利用难度较大。建议升级至 5.4.2 版本以解决此问题。修复补丁对应的提交为 9ce19a3b0d0765086a655f45d3a706ec1810404f。建议对受影响组件进行升级。

CVSS 3.7 · Low EPSS 0.30% · P22

Possible ATT&CK Techniques 1 AI

T1557 · Adversary-in-the-Middle

Affected Version Matrix 3

VendorProduct Version RangeStatus
lin-snow Ech0 5.4.0 affected
5.4.1 affected
5.4.2 unaffected
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2026-77151

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
lin-snow Ech0 crypto.go MD5Encrypt risky encryption
Source: CVE Program / CVE List V5
Vulnerability Description
A security flaw has been discovered in lin-snow Ech0 up to 5.4.1. Affected by this issue is the function MD5Encrypt of the file internal/util/crypto/crypto.go. Performing a manipulation results in risky cryptographic algorithm. Remote exploitation of the attack is possible. The complexity of an attack is rather high. The exploitation is known to be difficult. Upgrading to version 5.4.2 can resolve this issue. The patch is named 9ce19a3b0d0765086a655f45d3a706ec1810404f. It is recommended to upgrade the affected component.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
使用已被攻破或存在风险的密码学算法
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
lin-snow Ech0 5.4.0 cpe:2.3:a:lin-snow:ech0:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-77151

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2026-77151

请登录查看更多情报信息。

Proof of Concept for CVE-2026-77151 (2)

Other References for CVE-2026-77151 (1)

IV. Related Vulnerabilities

Same product: Ech0
Same vendor: lin-snow
Same weakness: CWE-327

V. Comments for CVE-2026-77151

No comments yet

Leave a comment