VulnSocial

CVE-2026-20086Disclosure

LOWCVSS 8.6 · HIGH

Signal is active with 1 mentions in latest observed window

Immediate actions

  • Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD description

A vulnerability in the processing of Control and Provisioning of Wireless Access Points (CAPWAP) packets of Cisco IOS XE Wireless Controller Software for the Catalyst CW9800 Family could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to improper handling of a malformed CAPWAP packet. An attacker could exploit this vulnerability by sending a malformed CAPWAP packet to an affected device. A successful exploit could allow the attacker to cause the affected device to reload unexpectedly, resulting in a DoS condition.

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0.0/ 10 priority

Sources & remediation

Other references
Weakness type (CWE)
CWE-230

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

STABLE

Threat summary

  • 5 mentions across 3 observed days
  • Momentum state: stable

What's happening

  • Technical details provided in 2 signals
  • Disclosure: 4 classified signals
  • General: 1 classified signal
  • Peaked 2d ago at 2 mentions (2026-03-25); latest day: 1
  • 5 total mentions across 3 days

Deep dive

Activity timeline5 mentions / 3d
01122Mentions · 2026-03-25: 2Mentions · 2026-03-30: 2Mentions · 2026-03-31: 1Technical Details · 2026-03-25: 1Technical Details · 2026-03-30: 103-2503-3003-31
Signal classification2 categories
Disclosure
480.0%
General
120.0%
Referenced assets5 URLs
Classification over time
DateTotalLabels
2026-03-252
Disclosure2
2026-03-302
Disclosure2
2026-03-311
General1
Full discourse5 posts
  • CERT-PY@CERTpy
    General

    ⚠️ Vulnerabilidades en productos Cisco ❗ CVE-2026-20086 ❗ CVE-2026-20084 ❗ CVE-2026-20012 ➡️ Más info: https://www.cert.gov.py/vulnerabilidades-en-productos-cisco-12/ https://t.co/xmpmaWItA6

    Post summary

    The post lists three Cisco CVEs and directs readers to a CERT page for more information, but it provides no exploitation details, technical data, or patch information.

    10010265
    6.6K followersView on X
  • Infoflowcloud@infoflowcloud
    Disclosure

    🚨*CVE* CVE-2026-20086 A vulnerability in the processing of Control and Provisioning of Wireless Access Points (CAPWAP) packets of Cisco IOS XE Wireless Controller Software for the Catalyst… https://www.cve.org/CVERecord?id=CVE-2026-20086 ----- Traducción: CVE-2026-20086 Una… http://infoflow.cloud`

    Post summary

    The post references CVE-2026-20086, providing a brief description of a CAPWAP packet processing flaw in Cisco IOS XE Wireless Controller Software and linking to the CVE record, but includes no PoC, exploit code, or patch information.

    0000035
    62 followersView on X
  • CVE@CVEnew
    Disclosure

    CVE-2026-20086 A vulnerability in the processing of Control and Provisioning of Wireless Access Points (CAPWAP) packets of Cisco IOS XE Wireless Controller Software for the Catalyst… https://www.cve.org/CVERecord?id=CVE-2026-20086

    Post summary

    A new vulnerability (CVE-2026-20086) affecting Cisco IOS XE Wireless Controller Software's CAPWAP packet processing has been disclosed, with a link to the official CVE record.

    00000191
    56.8K followersView on X
  • The Hacker Wire@TheHackerWire
    Disclosure

    🟠 CVE-2026-20086 - High A vulnerability in the processing of Control and Provisioning of Wireless Access Points (CAPWAP) packets of Cisco IOS XE Wireless Controller Software for the Catalyst CW9800 Family could allo... https://www.thehackerwire.com/vulnerability/CVE-2026-20086/ https://t.co/xBJwrrMbZ8

    Post summary

    A brief announcement of CVE‑2026‑20086, highlighting a vulnerability in CAPWAP packet processing on Cisco IOS XE Wireless Controllers, with no further technical detail, PoC, exploitation evidence, or patch information.

    0000042
    145 followersView on X
  • CVEFind.com@CveFindCom
    Disclosure

    [CVE-2026-20086: HIGH] Critical vulnerability in Cisco IOS XE Wireless Controller Software for CW9800 Family can lead to DoS attack by remote unauthenticated attackers through malformed CAPWAP packets.#cve,CVE-2026-20086,#cybersecurity https://cvefind.com/CVE-2026-20086

    Post summary

    A critical Cisco IOS XE Wireless Controller vulnerability (CVE-2026-20086) that allows DoS attacks via malformed CAPWAP packets is disclosed.

    0000034
    605 followersView on X

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