Security readout for executives and security teams
Plain-English summary
CVE-2026-1571 is a reflected cross-site scripting issue in the TP-Link Archer C60 v3 web interface. A crafted link could make a logged-in administrator’s browser run attacker-controlled JavaScript in the router UI. Business risk is mainly credential theft, session misuse, or unauthorized configuration changes if an administrator is tricked into opening the link.
Executive priority
Treat as a moderate-priority router administration risk. It is not described as wormable or actively exploited, but it can affect privileged router sessions if an administrator is tricked. Prioritize environments using Archer C60 v3, especially where router management is broadly reachable.
Technical view
The issue is CWE-79: user-controlled input is reflected into HTML without proper encoding. CVSS v4.0 is 5.3 with network attack vector, low complexity, no privileges required, and user interaction required. The provided affected entry names TP-Link Archer C60 v3. Public sources point to TP-Link firmware downloads and vendor FAQ for guidance.
Likely exposure
Exposure is most relevant where TP-Link Archer C60 v3 devices are in use and administrators access the web UI through browsers. Risk increases if management interfaces are reachable from untrusted networks or administrators can be socially engineered. The source bundle does not indicate broader TP-Link model impact.
Exploitation context
The CVE describes a crafted URL causing JavaScript execution in the device web UI context. User interaction is required. The source bundle marks KEV as false and provides no cited evidence of active exploitation. No exploit details should be assumed from the available information.
Researcher notes
Available evidence is limited to the CVE record, CVE List entry, TP-Link firmware page, and TP-Link FAQ. The bundle does not include proof-of-concept details, affected firmware ranges beyond Archer C60 v3, or a specific fixed version. Avoid extrapolating impact to other models without vendor confirmation.
Mitigation direction
- Check TP-Link’s advisory and Archer C60 firmware page for vendor-approved updates.
- Update affected Archer C60 v3 devices if TP-Link provides applicable firmware.
- Restrict router management access to trusted networks and administrators.
- Avoid opening unsolicited links while authenticated to router administration pages.
- Review administrative sessions and credentials if suspicious interaction occurred.
Validation and detection
- Inventory TP-Link Archer C60 v3 devices in the environment.
- Record current firmware versions and compare against TP-Link guidance.
- Confirm management interfaces are not exposed to untrusted networks.
- Verify administrators know not to browse untrusted links while logged in.
- Monitor vendor advisory pages for updated remediation details.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-79: User-session and phishing behavior lookup
Client-side and session-facing weaknesses should be reviewed alongside initial-access and user-execution behaviors. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCredential and access behavior lookup
The CVE wording references authentication or credential exposure, so valid-account and credential-access review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2026-1571 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Medium
- CVSS
- 5.3 (4.0)
- Known Exploited
- No
- Published
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N——Primary CVE scoreVulnerability scoring details
Base CVSS 4.0 score
5.3MediumVector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
Source materials
- CVE List V5 sourceCVE List V5
- https://www.tp-link.com/en/support/download/archer-c60/#FirmwareCVE reference · patch
- https://www.tp-link.com/us/support/faq/4961/CVE reference · vendor-advisory
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.