CVE-2025-62843

Published Mar 20, 2026

Last updated 5 days ago

Overview

Description
An improper restriction of communication channel to intended endpoints vulnerability has been reported to affect QHora. If an attacker gains physical access, they can then exploit the vulnerability to gain the privileges that were intended for the original endpoint. We have already fixed the vulnerability in the following version: QuRouter 2.6.3.009 and later
Source
security@qnapsecurity.com.tw
NVD status
Awaiting Analysis

Risk scores

CVSS 4.0

Type
Secondary
Base score
0.9
Impact score
-
Exploitability score
-
Vector string
CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:H/SI:L/SA:N/E:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Severity
LOW

Weaknesses

security@qnapsecurity.com.tw
CWE-923

Social media

Hype score
Not currently trending
  1. QNAP patches vulnerabilities CVE-2025-62843 to CVE-2025-62846 https://t.co/JIbGqsYZAO via @HostingTech https://t.co/g75JBxNaqm

    @HostingTechNet

    29 Mar 2026

    89 Impressions

    0 Retweets

    12 Likes

    0 Bookmarks

    0 Replies

    0 Quotes

  2. QNAP patches four SD-WAN router flaws (CVE-2025-62843 through 62846) chained at Pwn2Own Ireland for root access - earned Team DDOS $100K. Update QuRouter to 2.6.3.009. Physical, LAN, and authenticated vectors all covered. https://t.co/vVhV5O7ZT5 #infosec #QNAP #Pwn2Own

    @CyberDaily_News

    24 Mar 2026

    105 Impressions

    0 Retweets

    0 Likes

    0 Bookmarks

    0 Replies

    0 Quotes

  3. QNAPがSD-WANルータの脆弱性4件を修正。CVE-2025-62843からCVE-2025-62846。ハッキングコンテストPwn2Own 2025で悪用されたもの。 https://t.co/95unZS30oM

    @__kokumoto

    23 Mar 2026

    813 Impressions

    2 Retweets

    2 Likes

    4 Bookmarks

    0 Replies

    0 Quotes

  4. QNAP patches critical vulnerabilities including four SD-WAN router bugs showcased at Pwn2Own Ireland 2025 (CVE-2025-62843 to CVE-2025-62846). Fixes cover QuNetSwitch and QVR Pro. #QNAPSecurity #SDWAN #Ireland https://t.co/TsZcYIHdes

    @TweetThreatNews

    23 Mar 2026

    148 Impressions

    0 Retweets

    0 Likes

    0 Bookmarks

    0 Replies

    0 Quotes

  5. 🚨*CVE* CVE-2025-62843 An improper restriction of communication channel to intended endpoints vulnerability has been reported to affect QHora. If an attacker gains physical access, they can… https://t.co/yM6d499H7d ----- Traducción: CVE-2025-62843 Una… https://t.co/utmtNg

    @infoflowcloud

    22 Mar 2026

    76 Impressions

    0 Retweets

    0 Likes

    0 Bookmarks

    0 Replies

    0 Quotes

  6. CVE-2025-62843 An improper restriction of communication channel to intended endpoints vulnerability has been reported to affect QHora. If an attacker gains physical access, they can… https://t.co/ART9nmRY1a

    @CVEnew

    22 Mar 2026

    121 Impressions

    0 Retweets

    0 Likes

    0 Bookmarks

    0 Replies

    0 Quotes

References

Sources include official advisories and independent security research.