CVE-2025-15517: TP-Link Systems Archer NX600 v3.0 · Missing Authentication
Affects TP-Link Systems Archer NX600 v3.0Source CVE Database V5
Not known to be exploited · CVSS 8.6 High : upgrade to 1.3.0 Build 260309 soon.
Data as of 30 Oct 2026, 11:52 UTC
- EPSS
- 3.1% chance of exploitation in 30 days – higher than 87% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 1.3.0 Build 260309, 1.3.0 Build 260311, 1.4.0 Build 260311 +3
CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:NExploitation evidence
Disclosed: evidence found.
CVE published 23 Mar 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 30 Oct 2026.
What to do
Upgrade to a fixed release listed under Affected software.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| TP-Link Systems Inc.Archer NX600 v3.0 | Affected
| Fixed in
|
| TP-Link Systems Inc.Archer NX600 v2.0 | Affected
| Fixed in
|
| TP-Link Systems Inc.Archer NX600 v1.0 | Affected
| Fixed in
|
| TP-Link Systems Inc.Archer NX500 v2.0 | Affected
| Fixed in
|
| TP-Link Systems Inc.Archer NX500 v1.0 | Affected
| Fixed in
|
| TP-Link Systems Inc.Archer NX210 v3.0 | Affected
| Fixed in
|
AI-suggested
1. 2. If you cannot patch yet, restrict access to router management interfaces by implementing network segmentation and firewall rules that limit HTTP access to trusted administrative hosts only. 3. Disable remote management features if not required, especially those accessible over Wi-Fi or untrusted networks. 4. Monitor network traffic for unusual HTTP requests targeting router CGI endpoints indicative of exploitation attempts. 5. Use strong Wi-Fi encryption and authentication to prevent unauthorized network access. 6. Regularly audit router configurations and logs for unauthorized changes. 7. Consider deploying network intrusion detection/prevention systems (IDS/IPS) that can detect anomalous management traffic patterns. 8. Educate users and administrators about the risks of unauthorized router access and encourage prompt reporting of suspicious behavior. 9. Maintain an inventory of affected devices to prioritize remediation efforts. 10. Engage with TP-Link support channels to obtain official patches and guidance.
Description
CVE-2025-15517 is a high-severity vulnerability affecting TP-Link Archer NX600 v3.0 and related models, caused by missing authentication checks on certain HTTP CGI endpoints. This flaw allows unauthenticated attackers to perform privileged actions such as firmware uploads and configuration changes without requiring any credentials or user interaction. The vulnerability impacts multiple models including NX200, NX210, NX500, and NX600, exposing critical router management functions to remote exploitation. The CVSS 4.0 score of 8.6 reflects the high impact on confidentiality and integrity with no authentication or user interaction needed, though the attack vector is adjacent network. No known exploits are currently reported in the wild. Organizations using these TP-Link devices risk unauthorized control over network infrastructure, potentially leading to persistent compromise, network disruption, or interception of sensitive data. Mitigation requires immediate firmware updates from the vendor once available, network segmentation to limit access to router management interfaces, and monitoring for suspicious HTTP requests targeting vulnerable endpoints.
References
- tp-link.com/en/support/download/archer-nx200/ (opens in a new tab)
- tp-link.com/en/support/download/archer-nx210/ (opens in a new tab)
- tp-link.com/en/support/download/archer-nx500/ (opens in a new tab)
- tp-link.com/en/support/download/archer-nx600/ (opens in a new tab)
- tp-link.com/us/support/faq/5027/ (opens in a new tab)