CVE-2025-8078

Published Oct 21, 2025

Last updated 20 days ago

Overview

Description
A post-authentication command injection vulnerability in Zyxel ATP series firmware versions from V4.32 through V5.40, USG FLEX series firmware versions from V4.50 through V5.40, USG FLEX 50(W) series firmware versions from V4.16 through V5.40, and USG20(W)-VPN series firmware versions from V4.16 through V5.40 could allow an authenticated attacker with administrator privileges to execute operating system (OS) commands on the affected device by passing a crafted string as an argument to a CLI command.
Source
security@zyxel.com.tw
NVD status
Analyzed
Products
zld

Risk scores

CVSS 3.1

Type
Secondary
Base score
7.2
Impact score
5.9
Exploitability score
1.2
Vector string
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Severity
HIGH

Weaknesses

security@zyxel.com.tw
CWE-78

Social media

Hype score
Not currently trending
  1. Kids, that little Zyxel GS1900 under the desk? CISA put CVE-2025-8078 on the KEV list yesterday. Stack overflow in the web CGI. No login needed if you're already on the LAN. GreyNoise saw nearly a thousand of them drained across 48 countries. Patch the firmware. Those switches ht

    @MadeItHappenX

    22 Sept 2026

    42 Impressions

    0 Retweets

    0 Likes

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    0 Replies

    0 Quotes

  2. CVE-2025-8078: Remote Code Execution via CLI Command Injection #CVE20258078 #RemoteCodeExecution #CommandInjection #ZYXEL #Exploit https://t.co/12FNhKvxuq

    @reverseame

    18 Feb 2026

    732 Impressions

    2 Retweets

    3 Likes

    3 Bookmarks

    0 Replies

    0 Quotes

  3. 18 new OPEN, 41 new PRO (18 + 23) Cacti (CVE-2025-66399), D-Link (CVE-2025-9769), FLIR (CVE-2025-5127), Oracle (CVE-2025-61757), TA451, TA453, Tenda (CVE-2025-9813), Western Digital (CVE-2016-10108, CVE-2016-10107), Zyxel (CVE-2025-8078) and more https://t.co/QpfhWo6NvF https://

    @ET_Labs

    2 Dec 2025

    336 Impressions

    2 Retweets

    2 Likes

    0 Bookmarks

    0 Replies

    0 Quotes

  4. ⚠️Vulnerabilidades en productos Zyxel ❗CVE-2025-9133 ❗CVE-2025-8078 ➡️Más info: https://t.co/ZqVuXQlrPi https://t.co/eJP4nLTaRO

    @CERTpy

    27 Oct 2025

    100 Impressions

    0 Retweets

    1 Like

    0 Bookmarks

    0 Replies

    0 Quotes

  5. CVE-2025-8078 (CVSS:7.2, HIGH) is Awaiting Analysis. A post-authentication command injection vulnerability in Zyxel ATP series firmware versions from V4.32 through V5.40, US..https://t.co/XuQXB2nXaE #cybersecurityawareness #cybersecurity #CVE #infosec #hacker #nvd #mitre

    @cracbot

    26 Oct 2025

    6 Impressions

    0 Retweets

    0 Likes

    0 Bookmarks

    0 Replies

    0 Quotes

  6. CVE-2025-8078: ZYXEL Remote Code Execution via CLI Command Injection https://t.co/SG7bRlGDaA https://t.co/ACvTxPbP4b

    @secharvesterx

    21 Oct 2025

    62 Impressions

    0 Retweets

    0 Likes

    0 Bookmarks

    0 Replies

    0 Quotes

  7. CVE-2025-8078: ZYXEL Remote Code Execution via CLI Command Injection https://t.co/6eGAPg9Got

    @_r_netsec

    21 Oct 2025

    1526 Impressions

    5 Retweets

    13 Likes

    6 Bookmarks

    0 Replies

    0 Quotes

  8. CVE-2025-8078 Command Injection in Zyxel ATP, USG FLEX, and USG20(W)-VPN Firmware Versions https://t.co/u1LNKylvXA

    @VulmonFeeds

    21 Oct 2025

    73 Impressions

    0 Retweets

    1 Like

    0 Bookmarks

    0 Replies

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  9. CVE-2025-8078 A post-authentication command injection vulnerability in Zyxel ATP series firmware versions from V4.32 through V5.40, USG FLEX series firmware versions from V4.50 throu… https://t.co/NUwcywnSBb

    @CVEnew

    21 Oct 2025

    489 Impressions

    0 Retweets

    1 Like

    0 Bookmarks

    0 Replies

    0 Quotes

Configurations