dbcve.org
Archer Ax53 FirmwareOperating system · Tp Link

CVE-2025-58455

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 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 TP-Link Archer AX53 v1.0 tmpserver module allows authenticated adjacent attackers to send specially crafted network packets exceeding expected length values, potentially leading to arbitrary code execution or denial of service via segmentation fault.

MitigationApply available firmware update from TP-Link for Archer AX53 v1.0 or restrict adjacent network access to prevent unauthenticated attackers from reaching the tmpserver service.

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. Confirm device model and firmware version
    Access the TP-Link Archer AX53 admin interface or check the device label. Navigate to System > Firmware Upgrade or Status page to identify the exact firmware version installed.
    Affected if Firmware version is exactly 1.0 (any build within the 1.0 release)
  2. Verify tmpserver module presence
    Access the router via SSH or telnet if enabled, then check running processes for tmpserver or examine /usr/bin/tmpserver if accessible on the device filesystem.
    Affected if The tmpserver binary exists and is running on the device
  3. Confirm tmpserver network exposure
    From a machine on the same subnet, scan common ports or use nmap to probe for tmpserver service responsiveness (typically ports 20002/20003 for TP-Link tmp server). Check router firewall settings for port forwarding or NAT loopback configurations.
    Affected if The tmpserver service is listening on a network-accessible interface and accepts packets from adjacent network sources
  4. Check adjacent network accessibility
    Verify if the router's management interface or tmpserver port is accessible from the local network segment. Test connectivity from a non-trusted VLAN or guest network if configured.
    Affected if The tmpserver port is reachable from adjacent network segments without additional authentication barriers

A user is affected if they are running TP-Link Archer AX53 firmware version 1.0 with the tmpserver module exposed to adjacent network attackers.

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

Apply available firmware update from TP-Link for Archer AX53 v1.0 or restrict adjacent network access to prevent unauthenticated attackers from reaching the tmpserver service.

Recommended fix Moderate confidence

Latest available firmware version from TP-Link official support (check for version higher than 1.3.1 Build 20241120)

  1. 1. Log into the TP-Link Archer AX53 web management interface at http://192.168.0.1 or the IP address of your router
  2. 2. Navigate to System > Firmware Upgrade or Administration > Firmware Upgrade
  3. 3. Check the current firmware version displayed on the upgrade page
  4. 4. Download the latest firmware version from the official TP-Link support site at https://www.tp-link.com/us/support/download/archer-ax53/
  5. 5. Click the 'Upgrade' button and select the downloaded firmware file
  6. 6. Wait for the firmware upload and installation to complete - do not power off the router during this process
  7. 7. After reboot, verify the new firmware version matches the patched release
  8. 8. If no newer firmware is available on the support page, contact TP-Link technical support for confirmation of the security fix
Caveat Standard firmware upgrade risk - potential for reset to factory defaults; backup configuration before upgrading if possible

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
  • Testing2.0 h
  • Review / QA2.0 h
11.0 hours of engineering $1,980
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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-2025-58455 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
  • Verified mitigations, workarounds, and config changes
  • Version or environment caveats, and links to real fixes
  • No weaponised exploit code, or anything meant to cause harm
  • No spam, self-promotion, credentials, or personal data