On TP-Link TL-WR740N v4 and TL-WR740ND v4 devices, an attacker with access to the admin…
Key facts
- Attack vector
- Network
- Privileges required
- High
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-79.
Summary
On TP-Link TL-WR740N v4 and TL-WR740ND v4 devices, an attacker with access to the admin panel can inject HTML code and change the HTML context of the target pages and stations in the access-control settings via targets_lists_name or hosts_lists_name. The vulnerability can also be exploited through a CSRF, requiring no authentication as an administrator.
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:tp-link:tl-wr740n_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | TP-Link |
| cpe:2.3:h:tp-link:tl-wr740n:4.0:*:*:*:*:*:*:* | 4.0 | Running on | TP-Link |
| cpe:2.3:o:tp-link:tl-wr740nd_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | TP-Link |
| cpe:2.3:h:tp-link:tl-wr740nd:4.0:*:*:*:*:*:*:* | 4.0 | Running on | TP-Link |
- cpe:2.3:o:tp-link:tl-wr740n_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·TP-Link
- cpe:2.3:h:tp-link:tl-wr740n:4.0:*:*:*:*:*:*:* Versions 4.0 Running on ·TP-Link
- cpe:2.3:o:tp-link:tl-wr740nd_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·TP-Link
- cpe:2.3:h:tp-link:tl-wr740nd:4.0:*:*:*:*:*:*:* Versions 4.0 Running on ·TP-Link
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2020-14965
- 2026-10-03 Alias added: GHSA-q8h5-chqq-p9j3
- 2026-10-25 EPSS moved to the 50th–90th percentile
References
More TP-Link Tl-wr740n Firmware vulnerabilities
- TI-2023-16571 TP-Link TL-WR940N V2/V4, TL-WR841N V8/V10, and TL-WR740N V1/V2 was discovered to contain… KEVCVSS 3.1HIGH 8.8
- TI-2015-02672 Directory traversal vulnerability in TP-LINK Archer C5 (1.2) with firmware before 150317… KEVCVSS 3.1HIGH 7.5
- TI-2023-27456 Authentication bypass by spoofing in TP-Link TL-WR841N KEVCVSS 3.1MEDIUM 6.5
- TI-2022-03934 TP-Link TL-WR740N ARP resource consumption CVSS 3.1MEDIUM 6.5
- TI-2023-18223 TP-Link TL-WR940N V4, TL-WR841N V8/V10, TL-WR740N V1/V2, TL-WR940N V2/V3, and TL-WR941ND… CVSS 3.1HIGH 7.5
- TI-2023-16570 TP-Link TL-WR940N V2/V4, TL-WR841N V8/V10, and TL-WR740N V1/V2 was discovered to contain… CVSS 3.1HIGH 8.1
Sources
- CVE-2020-14965 · CVE Program
- CVE-2020-14965 · NVD
- FIRST EPSS
- GHSA-q8h5-chqq-p9j3 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences