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CVE-2026-82643— WWBN AVideo Unauthenticated Rate Limit Bypass via preauthorize.json.php

Quick assessment

Affected
WWBN AVideo
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.

WWBN AVideo 在 中存在一个未认证凭据提交漏洞：该接口通过 GET 请求接受凭据，且没有速率限制。攻击者可以反复提交正确的凭据，从而触发无上限的双因素认证确认邮件发送，并针对用户账号进行持续性的密码猜测攻击。

CVSS 6.5 · Medium

Possible ATT&CK Techniques 1 AI

T1006 · Direct Volume Access
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I. Basic Information for CVE-2026-82643

Vulnerability Information
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Vulnerability Title
WWBN AVideo Unauthenticated Rate Limit Bypass via preauthorize.json.php
Source: CVE Program / CVE List V5
Vulnerability Description
WWBN AVideo contains an unauthenticated credential submission vulnerability in plugin/Live/api/preauthorize.json.php that accepts credentials over GET without rate limiting. Attackers can submit correct credentials repeatedly to trigger uncapped two-factor confirmation emails and perform sustained password guessing attacks against user accounts.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
过多认证尝试的限制不恰当
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
WWBN AVideo - -

II. Public POCs for CVE-2026-82643

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III. Intelligence Information for CVE-2026-82643

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Other References for CVE-2026-82643 (2)

Same Patch Batch · WWBN · 2026-08-30 · 6 CVEs total

CVE-2026-82645 8.6 HIGH AVideo Unauthenticated Stream Credential Disclosure via Forgeable Token
CVE-2026-82644 7.5 HIGH WWBN AVideo Brute-force Rate Limiting Bypass via Missing User-Agent
CVE-2026-82648 7.1 HIGH WWBN AVideo SSRF Filter Bypass via NAT64 Hex Address
CVE-2026-82646 6.1 MEDIUM WWBN AVideo Unauthenticated Reflected XSS via url2Embed.json.php
CVE-2026-82647 6.1 MEDIUM WWBN AVideo Cross-Site Request Forgery via sendEmail.json.php

IV. Related Vulnerabilities

Same product: AVideo
Same vendor: WWBN
Same weakness: CWE-307

V. Comments for CVE-2026-82643

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