Archer Be230 FirmwareOperating system · Tp Link

CVE-2026-22229

HIGH · 7.2 CVSS v3.1 Published 2026-02-02
Fix available
A fix is available. Upgrade to 1.2.4 or later.
See remediation →
78/100
Remediation priority · High
Remotely reachable Zero-click Patch available

Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.

NVD · unedited
A command injection vulnerability may be exploited after the admin's authentication via the import of a crafted VPN client configuration file on the TP-Link Archer BE230 v1.2 and Deco BE25 v1.0. Successful exploitation could allow an attacker to gain full administrative control of the device, resulting in severe compromise of configuration integrity, network security, and service availability. This CVE covers one of multiple distinct OS command injection issues identified across separate code paths. Although similar in nature, each instance is tracked under a unique CVE ID. This issue affects Archer BE230 v1.2 < 1.2.4 Build 20251218 rel.70420 and Deco BE25 v1.0: through 1.1.1 Build 20250822.

Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.

dbcve analysis
How this class of weakness works · CWE-78

User input reaches a shell or system command without being fully separated from the command itself, so an attacker can append their own instructions. Because these run with the application's privileges, it often means full control of the host. The lasting fix is to avoid the shell entirely — call APIs directly and pass arguments as data, never as concatenated strings.

General guidance for the os command injection class — the official description and references above are authoritative for this specific CVE. Want a bespoke review and a reviewed fix? Ask our team →

Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.

NVD · CPE data
Archer Be230 FirmwareOperating system
Affected:< 1.2.4

CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.

From the vector
Attack vector
Network
Complexity
Low
Privileges
High
User interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

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

Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.

dbcve · scoped
Upgrade available Upgrade to 1.2.4 or later
Fixed in 1.2.4
Vendor patch www.tp-link.com →
Recommended fix High confidence

Archer BE230 firmware 1.2.4 Build 20251218 rel.70420 or later; Deco BE25 firmware 1.1.2 or later

  1. 1. Download the fixed firmware version 1.2.4 (Build 20251218 rel.70420) for Archer BE230 from TP-Link's official support website at https://www.tp-link.com/us/support/download/
  2. 2. Back up your current router configuration through the web management interface
  3. 3. Connect the router to a stable power source to prevent interruption during the upgrade process
  4. 4. Access the TP-Link Archer BE230 web management interface and navigate to System > Firmware Upgrade
  5. 5. Upload the downloaded firmware file (1.2.4 or later) and initiate the upgrade
  6. 6. Wait for the router to reboot and verify the upgrade was successful by checking the firmware version in the web interface
  7. 7. Restore your backed-up configuration if needed
  8. 8. For Deco BE25 users, apply firmware version 1.1.2 or later once available from TP-Link's support page
Caveat Firmware upgrade may reset device to factory defaults; backup configuration before upgrading and ensure stable power during the process to avoid bricking the device

Generated from the published advisory — verify against the referenced sources before acting.

We can perform the upgrade in your staging environment and verify nothing breaks — typical engagement from $3,200. Get the upgrade done

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References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.

Primary sources

Practitioner notes

Contributed

Peer-ranked notes from engineers who’ve handled CVE-2026-22229 in production — separate from our analysis above.

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What this is

A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.

What belongs here
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  • Version or environment caveats, and links to real fixes
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