VulnSocial

CVE-2026-40434Disclosure(anviz / crosschex_standard)

LOWCVSS 8.1 · HIGH

Signal is active with 1 mentions in latest observed window

Immediate actions

  • Patch anviz crosschex_standard systems immediately

Recommended action window: Monitor and triage in normal cycle

NVD description

Anviz CrossChex Standard lacks source verification in the client/server channel, enabling TCP packet injection by an attacker on the same network to alter or disrupt application traffic.

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0.5/ 10 priority

Sources & remediation

Vendor / third-party advisories
Other references
Weakness type (CWE)
CWE-940

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

AVAILABLE

Momentum

STABLE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

  • crosschex_standard

Threat summary

  • Patch or workaround signal is available
  • 3 mentions across 2 observed days
  • Momentum state: stable

What's happening

  • Patch or workaround mentioned in 1 signal
  • Technical details provided in 3 signals
  • Disclosure: 2 classified signals
  • Peaked 1d ago at 2 mentions (2026-04-18); latest day: 1
  • 3 total mentions across 2 days

Affected systems

Vendors
anviz
Products
crosschex_standard

1 version affected across 1 product

Deep dive

Activity timeline3 mentions / 2d
01122Mentions · 2026-04-18: 2Mentions · 2026-04-21: 1Patch / Workaround · 2026-04-21: 1Technical Details · 2026-04-18: 2Technical Details · 2026-04-21: 104-1804-21
Signal classification2 categories
Disclosure
266.7%
Patch
133.3%
Referenced assets2 URLs
By indicator
Classification over time
DateTotalLabels
2026-04-182
Disclosure2
2026-04-211
Patch1
Full discourse3 posts
  • Giuseppe Paternicola@giuseppe_1337
    Patch

    🚨 HIGH: CVE-2026-40434 (CVSS 8.1) - Anviz CrossChex Standard vulnerable to TCP packet injection via unverified client/server channel. Adjacent network attacker can alter/disrupt traffic. Patch immediately. #CVE #PatchNow #ThreatIntel https://t.co/yotp5L9AhH

    Post summary

    The message highlights a high‑severity CVE-2026-40434 affecting Anviz CrossChex Standard, detailing a TCP packet injection flaw and urging users to apply a patch immediately.

    0000042
    26 followersView on X
  • Infoflowcloud@infoflowcloud
    Disclosure

    🚨*CVE* CVE-2026-40434 Anviz CrossChex Standard lacks source verification in the client/server channel, enabling TCP packet injection by an attacker on the same network to alter or disrupt… https://www.cve.org/CVERecord?id=CVE-2026-40434 ----- Traducción: CVE-2026-40434 Anv… http://infoflow.cloud`

    Post summary

    The post discloses CVE-2026-40434, highlighting a flaw that allows TCP packet injection on the same network, but offers no PoC, exploit, or patch information.

    0000039
    72 followersView on X
  • CVE@CVEnew
    Disclosure

    CVE-2026-40434 Anviz CrossChex Standard lacks source verification in the client/server channel, enabling TCP packet injection by an attacker on the same network to alter or disrupt… https://www.cve.org/CVERecord?id=CVE-2026-40434

    Post summary

    The text announces CVE-2026-40434, noting a source‑verification flaw that permits TCP packet injection on the local network, but no PoC, exploit, or mitigation is provided.

    00000204
    57.2K followersView on X
CPE platform detail1 entries

1 of 1 entries

PartVendorProductVersionTarget SWTarget HW
Appanvizcrosschex_standard---

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