TP-Link TL-WR845N devices with firmware TL-WR845N(UN)_V4_200909 and…
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-798.
Summary
TP-Link TL-WR845N devices with firmware TL-WR845N(UN)_V4_200909 and TL-WR845N(UN)_V4_190219 was discovered to contain a hardcoded password for the root account which can be obtained by analyzing downloaded firmware or via a brute force attack through physical access to the router. NOTE: The supplier has stated that this issue was fixed in firmware versions 250401 or later.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
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-wr845n_firmware:190219:*:*:*:*:*:*:* | 190219 | Vulnerable | TP-Link |
| cpe:2.3:o:tp-link:tl-wr845n_firmware:200909:*:*:*:*:*:*:* | 200909 | Vulnerable | TP-Link |
| cpe:2.3:o:tp-link:tl-wr845n_firmware:201214:*:*:*:*:*:*:* | 201214 | Vulnerable | TP-Link |
| cpe:2.3:h:tp-link:tl-wr845n:4.0:*:*:*:*:*:*:* | 4.0 | Running on | TP-Link |
- cpe:2.3:o:tp-link:tl-wr845n_firmware:190219:*:*:*:*:*:*:* Versions 190219 Vulnerable ·TP-Link
- cpe:2.3:o:tp-link:tl-wr845n_firmware:200909:*:*:*:*:*:*:* Versions 200909 Vulnerable ·TP-Link
- cpe:2.3:o:tp-link:tl-wr845n_firmware:201214:*:*:*:*:*:*:* Versions 201214 Vulnerable ·TP-Link
- cpe:2.3:h:tp-link:tl-wr845n: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-2024-57040
- 2026-10-03 Alias added: GHSA-mjhr-3845-j2r5
References
More TP-Link Tl-wr845n Firmware vulnerabilities
- TI-2024-30939 TL-WR845N(UN)_V4_201214, TP-Link TL-WR845N(UN)_V4_200909, and TL-WR845N(UN)_V4_190219 was… CVSS 3.1CRITICAL 9.8
- TI-2024-34095 TP-Link TL-WR845N(UN)_V4_201214, TL-WR845N(UN)_V4_200909 and TL-WR845N(UN)_V4_190219 were… CVSS 3.1HIGH 8.0
- TI-2024-30940 TP-Link TL-WR845N(UN)_V4_190219 was discovered to transmit credentials in base64 encoded… CVSS 3.1HIGH 8.0
- TI-2025-14190 LAN Code Execution on TP-Link Archer MR200, Archer C20, TL-WR850N and TL-WR845N CVSS 4.0MEDIUM 5.9
Sources
- CVE-2024-57040 · CVE Program
- CVE-2024-57040 · NVD
- FIRST EPSS
- GHSA-mjhr-3845-j2r5 · 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