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CVE-2026-54237— Wavelog: Unauthenticated Remote Code Execution

Quick assessment

Affected
wavelog wavelog
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.

Wavelog 是一款基于 Web 的业余无线电日志记录软件。在 1.8 至 2.4.2 版本中，Wavelog 在安装完成后仍未对 和 实施安装锁或权限检查，导致这些文件依然可被访问。未经验证的用户输入会传入 中的 和 函数，使得远程未认证攻击者能够读取或写入日志文件，并将攻击者控制的内容写入 PHP 配置文件中。由此生成的 PHP 配置内容可在服务器上执行代码。该问题已在 2.4.2 版本中修复。

CVSS 9.3 · Critical EPSS 0.56% · P45
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I. Basic Information for CVE-2026-54237

Vulnerability Information
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Vulnerability Title
Wavelog: Unauthenticated Remote Code Execution
Source: CVE Program / CVE List V5
Vulnerability Description
Wavelog is web-based amateur radio logging software. From 1.8 until 2.4.2, Wavelog exposes /install/ajax.php and /install/includes/interface_assets/triggers.php after installation without an installation lock or permission check. Unsanitized input reaches write_config() and write_configfile() in install/includes/core/core_class.php, allowing a remote unauthenticated attacker to read or write log files and place attacker-controlled content into PHP configuration files. The resulting PHP configuration content can execute on the server. This issue is fixed in version 2.4.2.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
对生成代码的控制不恰当(代码注入)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
wavelog wavelog >= 1.8, < 2.4.2 -

II. Public POCs for CVE-2026-54237

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III. Intelligence Information for CVE-2026-54237

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Patches & Fixes for CVE-2026-54237 (1)

Vendor Advisories for CVE-2026-54237 (1)

Vendor Pages for CVE-2026-54237 (1)

IV. Related Vulnerabilities

Same product: wavelog
Same weakness: CWE-94

V. Comments for CVE-2026-54237

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