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

Goal: 1000 CNY · Raised: 1336 CNY

100%
Buy Us a Coffee

CVE-2025-27611— base-x homograph attack allows Unicode lookalike characters to bypass validation.

Quick assessment

Affected
cryptocoinjs base-x
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.

base-x是cryptocoinjs开源的一个对任何碱基进行编码/解码的工具。 base-x 3.0.11之前版本、4.0.0版本和5.0.0版本存在安全漏洞，该漏洞源于可能导致用户向非预期地址发送资金。

AI Predicted 6.5 Difficulty: Easy EPSS 0.43% · P35

Possible ATT&CK Techniques 1 AI

T1589 · Gather Victim Identity Information
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2025-27611

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Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.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
base-x homograph attack allows Unicode lookalike characters to bypass validation.
Source: CVE Program / CVE List V5
Vulnerability Description
base-x is a base encoder and decoder of any given alphabet using bitcoin style leading zero compression. Versions 4.0.0, 5.0.0, and all prior to 3.0.11, are vulnerable to attackers potentially deceiving users into sending funds to an unintended address. This issue has been patched in versions 3.0.11, 4.0.1, and 5.0.1.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
屏幕显示出的不同编码的同形字母不易区分
Source: CVE Program / CVE List V5
Vulnerability Title
base-x 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
base-x是cryptocoinjs开源的一个对任何碱基进行编码/解码的工具。 base-x 3.0.11之前版本、4.0.0版本和5.0.0版本存在安全漏洞，该漏洞源于可能导致用户向非预期地址发送资金。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
cryptocoinjs base-x = 5.0.0 -

II. Public POCs for CVE-2025-27611

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

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2025-27611

请登录查看更多情报信息。

Patches & Fixes for CVE-2025-27611 (1)

Vendor Advisories for CVE-2025-27611 (1)

IV. Related Vulnerabilities

Same vendor: cryptocoinjs
Same weakness: CWE-1007

V. Comments for CVE-2025-27611

No comments yet

Leave a comment