CVE-2025-15605: TP-Link Systems Archer NX600 v3.0 · Use of Hard-coded Cryptographic Key
Affects TP-Link Systems Archer NX600 v3.0Source CVE Database V5
Not known to be exploited · CVSS 8.5 High : upgrade to 1.3.0 Build 260309 soon.
Data as of 30 Oct 2026, 11:52 UTC
- EPSS
- 0.1% chance of exploitation in 30 days – higher than 3% 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:L/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
To mitigate CVE-2025-15605 effectively, organizations should take the following specific actions: 1) Immediately restrict access to the management interfaces of affected TP-Link Archer NX routers to trusted personnel and networks only, using network segmentation and firewall rules. 2) Enforce strong authentication mechanisms and rotate credentials regularly to reduce the risk of unauthorized authenticated access. 3) Monitor device configuration files and logs for unauthorized changes or suspicious activity indicative of exploitation attempts. 4) Where possible, disable remote management features or restrict them to secure VPN connections. 5) Engage with TP-Link support channels to obtain or request firmware updates or patches addressing this vulnerability; if none are available, consider temporary device replacement or enhanced compensating controls. 6) Implement network-level intrusion detection systems (IDS) to detect anomalous traffic patterns or configuration changes. 7) Educate network administrators about the risks of hardcoded keys and the importance of secure device configuration management. 8) For critical environments, consider deploying alternative hardware without this vulnerability until a patch is available. These steps go beyond generic advice by focusing on access control, monitoring, and vendor engagement specific to this cryptographic key issue.
Description
CVE-2025-15605 is a high-severity vulnerability in TP-Link Archer NX series routers, including NX200, NX210, NX500, and NX600 v3.0, caused by a hardcoded cryptographic key used in the device configuration mechanism. An authenticated attacker with low privileges can decrypt, modify, and re-encrypt configuration files, compromising the confidentiality and integrity of device settings. Exploitation does not require user interaction but does require authentication. No known exploits are currently in the wild. This vulnerability affects the security posture of impacted devices by enabling unauthorized configuration changes, potentially leading to network compromise or persistent backdoors. Organizations using these devices should prioritize mitigation steps such as firmware updates, restricting access to management interfaces, and monitoring configuration changes. Countries with significant TP-Link market penetration and strategic reliance on these devices are at higher risk. The CVSS v4.0 score is 8.
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)