CVE-2026-18588

Signals

NVD · CVE-2026-7529 · 7.5 · The wiseCampaign – WooCommerce Conversions Made Easy plugin for WordPress is vulnerable to unauthorized modification and disclosure of data due to every one of NVD · CVE-2026-7456 · 6.5 · The Udimi Tools plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the `ajax_disconnect()` function inNVD · CVE-2026-67623 · 8.8 · Mistral Vibe before 2.23.3 contains a remote code execution vulnerability that allows attackers to execute arbitrary commands by embedding a malicious core.fsmoNVD · CVE-2026-17506 · 7.2 · The Independent Analytics plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 404 not_found_url tracking parameter in versions up to, and CISA KEV · CVE-2026-18556 · 7.4 · N-able N-central Authentication Bypass Using an Alternate Path or Channel Vulnerability · Added 2026-08-04 · Due 2026-08-07CISA KEV · CVE-2026-34486 · 9.8 · Apache Tomcat Missing Encryption of Sensitive Data Vulnerability · Added 2026-08-04 · Due 2026-08-07NVD · CVE-2026-7529 · 7.5 · The wiseCampaign – WooCommerce Conversions Made Easy plugin for WordPress is vulnerable to unauthorized modification and disclosure of data due to every one of NVD · CVE-2026-7456 · 6.5 · The Udimi Tools plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the `ajax_disconnect()` function inNVD · CVE-2026-67623 · 8.8 · Mistral Vibe before 2.23.3 contains a remote code execution vulnerability that allows attackers to execute arbitrary commands by embedding a malicious core.fsmoNVD · CVE-2026-17506 · 7.2 · The Independent Analytics plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 404 not_found_url tracking parameter in versions up to, and CISA KEV · CVE-2026-18556 · 7.4 · N-able N-central Authentication Bypass Using an Alternate Path or Channel Vulnerability · Added 2026-08-04 · Due 2026-08-07CISA KEV · CVE-2026-34486 · 9.8 · Apache Tomcat Missing Encryption of Sensitive Data Vulnerability · Added 2026-08-04 · Due 2026-08-07

CVE Database · CVE-2026-18588

CVE-2026-18588

· CRITICALReceived

CVSS v3.1

9.8

CVSS v4.0

9.3

EPSS

0.61%

Published

Aug 3, 2026

Modified

Aug 3, 2026

Public PoC / Exploit

All weaponized →

No public PoC or exploit code indexed for this CVE.

Links to public security research (Exploit-DB, Nuclei, Trickest, GitHub) for defensive use only.

Description

A vulnerability has been found in Wavlink WL-NU516U1 708c073-mt7628. This affects the function fgets of the file nas.cgi. The manipulation of the argument CONTENT_LENGTH leads to stack-based buffer overflow. Remote exploitation of the attack is possible. You should upgrade the affected component. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weaknesses (CWE)

CWE-119CWE-121

References (7)

https://dl.wavlink.com/firmware/RD/WINSTAR_NU516U1-WO-A-2026-07-13-4b8a21f-mt7628-squashfs-sysupgrade.bin

https://github.com/oduoke567/WAVLINK-NU516U1-2026-05-1/blob/main/report2.md

https://vuldb.com/cve/CVE-2026-18588

https://vuldb.com/submit/850500

https://vuldb.com/vuln/385416

https://vuldb.com/vuln/385416/cti

https://vuldb.com/submit/850500

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