VulnSocial

CVE-2026-6559Disclosure

LOWCVSS 5.3 · MEDIUM

Signal is active with 3 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 weakness has been identified in Wavlink WL-WN579A3 220323. This affects the function sub_401F80 of the file /cgi-bin/login.cgi. This manipulation of the argument Hostname causes cross site scripting. Remote exploitation of the attack is possible. Upgrading the affected component is recommended. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.

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0.0/ 10 priority

Sources & remediation

Other references
Weakness type (CWE)
CWE-79CWE-94

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

NONE

Threat summary

  • 3 mentions across 1 observed day

What's happening

  • Technical details provided in 3 signals
  • Disclosure: 3 classified signals
  • 3 total mentions across 1 day

Deep dive

Activity timeline3 mentions / 1d
01223Mentions · 2026-04-19: 3Technical Details · 2026-04-19: 304-19
Signal classification1 categories
Disclosure
3100.0%
Referenced assets3 URLs
Full discourse3 posts
  • Infoflowcloud@infoflowcloud
    Disclosure

    🚨*CVE* CVE-2026-6559 A weakness has been identified in Wavlink WL-WN579A3 220323. This affects the function sub_401F80 of the file /cgi-bin/login.cgi. This manipulation of the argument Host… https://www.cve.org/CVERecord?id=CVE-2026-6559 ----- Traducción: CVE-2026-6559 Se … http://infoflow.cloud`

    Post summary

    The post announces the discovery of CVE‑2026‑6559, detailing the affected function and file in the Wavlink WL‑WN579A3 firmware, but provides no PoC, exploit code, or patch information.

    0000036
    72 followersView on X
  • CVE@CVEnew
    Disclosure

    CVE-2026-6559 A weakness has been identified in Wavlink WL-WN579A3 220323. This affects the function sub_401F80 of the file /cgi-bin/login.cgi. This manipulation of the argument Host… https://www.cve.org/CVERecord?id=CVE-2026-6559

    Post summary

    The post announces a vulnerability in Wavlink WL‑WN579A3, describing its impact on a specific function and argument within /cgi-bin/login.cgi, but lacks details on exploitation, mitigation, or PoC.

    00000442
    57.2K followersView on X
  • Vulmon Vulnerability Feed@VulmonFeeds
    Disclosure

    CVE-2026-6559 Cross Site Scripting in Wavlink WL-WN579A3 Login CGI Hostname Parameter https://vulmon.com/vulnerabilitydetails?qid=CVE-2026-6559

    Post summary

    CVE-2026-6559 is a reported XSS flaw in the Wavlink WL‑WN579A3 router's login CGI hostname parameter, announced publicly on a vulnerability database.

    0000058
    4.0K followersView on X

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