VulnSocial

CVE-2026-63732Disclosure

LOWCVSS 9.4 · CRITICAL

Exploit discussion active in current signal (1 latest mentions)

Immediate actions

  • Patch affected systems immediately
  • Hunt for exploitation attempts and persistence artifacts
  • Increase monitoring for publicly documented tradecraft

Recommended action window: High priority (within 72h)

NVD description

9router 0.4.59 (fixed in 0.4.60) contains a chain of vulnerabilities: a hardcoded default password (123456) that authenticates any fresh installation, a bypass of the LOCAL_ONLY network gate via a spoofed Host header, and unvalidated arguments passed to child_process.spawn() when registering MCP plugins. A remote, unauthenticated attacker can log in with the default credential, spoof the Host header to reach local-only routes, and register a malicious MCP plugin (e.g. node -e <payload>) to achieve arbitrary code execution on the host operating system when the plugin's SSE endpoint is triggered.

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2.0/ 10 priority

Sources & remediation

Other references
Weakness type (CWE)
CWE-78

Priority

LOW

Exploitation

NONE

PoC

YES

Patch

AVAILABLE

Momentum

STABLE

Threat summary

  • Public PoC is present in monitored signal
  • Patch or workaround signal is available
  • 3 mentions across 2 observed days
  • Momentum state: stable

What's happening

  • PoC mentioned or linked in 1 signal
  • Patch or workaround mentioned in 2 signals
  • Technical details provided in 3 signals
  • Disclosure: 1 classified signal
  • Peaked 1d ago at 2 mentions (2026-07-23); latest day: 1
  • 3 total mentions across 2 days

Deep dive

Activity timeline3 mentions / 2d
01122Mentions · 2026-07-23: 2Mentions · 2026-07-29: 1PoC Mentioned / Linked · 2026-07-29: 1Patch / Workaround · 2026-07-23: 2Technical Details · 2026-07-23: 2Technical Details · 2026-07-29: 107-2307-29
Signal classification3 categories
Disclosure
133.3%
Patch
133.3%
PoC
133.3%
Referenced assets3 URLs
Classification over time
DateTotalLabels
2026-07-232
Disclosure1Patch1
2026-07-291
PoC1
Full discourse3 posts
  • Israel@f1tym1
    PoC

    CVE-2026-63732 in 9router 0․4․59 allows remote code execution via hardcoded creds, Host header bypass, and command injection https://ift.tt/JG6VlFu

    Post summary

    CVE-2026-63732 in 9router 0.4.59 enables remote code execution through hardcoded creds, host header bypass, and command injection; a link to a post is provided, but no exploit or patch is discussed.

    0000052
    1.0K followersView on X
  • Infoflowcloud@infoflowcloud
    Patch

    🚨*CVE* CVE-2026-63732 9router 0.4.59 (fixed in 0.4.60) contains a chain of vulnerabilities: a hardcoded default password (123456) that authenticates any fresh installation, a bypass of the… https://www.cve.org/CVERecord?id=CVE-2026-63732 ----- Traducción: CVE-2026-63732 9ro… http://infoflow.cloud`

    Post summary

    The post notes CVE-2026-63732 in 9router 0.4.59, details a hardcoded default password and other flaws, and indicates the issue is resolved in version 0.4.60.

    0000032
    94 followersView on X
  • CVE@CVEnew
    Disclosure

    CVE-2026-63732 9router 0.4.59 (fixed in 0.4.60) contains a chain of vulnerabilities: a hardcoded default password (123456) that authenticates any fresh installation, a bypass of the… https://www.cve.org/CVERecord?id=CVE-2026-63732

    Post summary

    The post discloses that CVE-2026-63732 impacts 9router 0.4.59 via a hardcoded default password vulnerability and notes the fix in 0.4.60; a CVE record link is provided.

    000001.1K
    57.9K followersView on X

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