dbcve.org
Archer Ax53 FirmwareOperating system · Tp Link

CVE-2025-59482

HIGH · 8.0 CVSS v3.1 Published 2026-02-03
Mitigation only
No fix yet — a mitigation exists. There is no fixed release. A documented workaround reduces exposure in the meantime.
See remediation →
82/100
Remediation priority · High
Zero-click

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
Heap-based Buffer Overflow vulnerability in TP-Link Archer AX53 v1.0 (tmpserver modules) allows authenticated adjacent attackers to cause a segmentation fault or potentially execute arbitrary code via a specially crafted network packet containing a field whose length exceeds the maximum expected value.This issue affects Archer AX53 v1.0: through 1.3.1 Build 20241120.

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 · high confidence

Heap-based buffer overflow in the tmpserver module of TP-Link Archer AX53 v1.0 routers allows authenticated adjacent attackers to send specially crafted network packets containing fields that exceed expected maximum lengths. This overflow occurs on the heap memory segment and can trigger segmentation faults or potentially enable arbitrary code execution.

MitigationUpdate the router firmware to a version beyond 1.3.1 Build 20241120 once TP-Link releases a patch. Until then, restrict network access to trusted authenticated users and apply network segmentation to limit adjacent attack surface.

Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.

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 Ax53 FirmwareOperating system
Affected:= 1.0

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
Adjacent
Complexity
Low
Privileges
Low
User interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

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

Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.

dbcve checks

Work through these to decide whether this CVE applies to you.

  1. Identify the router model
    Access the router web interface or check the device label to confirm the model is TP-Link Archer AX53
    Affected if The device is not an Archer AX53 model
  2. Check the installed firmware version
    Log into the router web interface (typically at 192.168.0.1), go to Status or Firmware Upgrade page, and record the firmware version shown
    Affected if The firmware version is exactly 1.0 ( Build 1.0.x )
  3. Determine if tmpserver module is active
    Access router administration and look for tmpserver, temp server, or temporary server settings in the web interface or check via telnet/SSH if the service is listening on network ports (common ports: 8080, 8888, or custom temp server ports)
    Affected if The tmpserver/temporary server feature is enabled and accessible on the network
  4. Assess network accessibility
    Verify whether the router admin interface and tmpserver are reachable from untrusted network segments. Check if the router is directly exposed or accessible from guest/IoT networks
    Affected if The router or tmpserver service is accessible from adjacent network segments without proper access controls
  5. Review authentication status
    Confirm whether weak, default, or shared credentials are in use, and check if unauthorized authenticated users exist on the network
    Affected if Adjacent attackers can obtain valid authentication credentials to access the router

The environment is affected if you are running TP-Link Archer AX53 firmware version 1.0 with the tmpserver module enabled and accessible to adjacent ( Layer 2/LAN ) attackers who can authenticate.

Generated from the published advisory. Verify against your own configuration.

Check your environment

Paste your version and any relevant configuration and it will be compared against the affected criteria above. Do not include secrets or credentials.

AI-assisted, checked against the advisory. Informational, not a guarantee.

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
Mitigation available No clean upgrade yet — mitigate in the meantime
Mitigation

Update the router firmware to a version beyond 1.3.1 Build 20241120 once TP-Link releases a patch. Until then, restrict network access to trusted authenticated users and apply network segmentation to limit adjacent attack surface.

Recommended fix Moderate confidence

TP-Link Archer AX53 v1.0.6 or later (latest available firmware from tp-link.com)

  1. 1. Log into the TP-Link Archer AX53 router web management interface
  2. 2. Navigate to the Firmware Upgrade section (usually under System or Administration)
  3. 3. Check the current firmware version installed on the device
  4. 4. Download the latest firmware version from the official TP-Link support website for Archer AX53
  5. 5. Upload and install the firmware update following the on-screen instructions
  6. 6. Wait for the router to reboot and verify the new firmware version is installed
Caveat Standard firmware update - minor disruption during upgrade process is expected

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

Fix this in Archer Ax53 Firmware Scoped from the published advisory
  • Consultation3.0 h
  • Implementation4.0 h
  • Testing3.0 h
  • Review / QA2.0 h
12.0 hours of engineering $2,130
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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-2025-59482 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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