CVE-2024-21821 json
Multiple TP-LINK products allow a network-adjacent authenticated attacker with access to the product from the LAN port or Wi-Fi to execute…
published 2y ago modified 4mo ago also EUVD-2024-19433
- cvss
- 8.0
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.4%
- EPSS 0.4% chance of exploitation in 30 days, percentile 39%
- public exploits
- 0
- none known
Summary
Multiple TP-LINK products allow a network-adjacent authenticated attacker with access to the product from the LAN port or Wi-Fi to execute arbitrary OS commands.
Patch / fix
- tp-link archer_ax3000_firmware 1.1.2
- tp-link archer_ax5400_firmware 1.1.2
- tp-link archer_axe75_firmware 1.1.9
Is CVE-2024-21821 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerCISA SSVC
- Exploitation
- none
- Automatable
- yes
- Technical impact
- total
- Assessed
- last yr.
Exploit prediction
0.45% chance of exploitation in the next 30 days, higher than 39% of all scored CVEs (FIRST EPSS, 2026-11-11).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 8.0 | CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | 3.1 | 8.0 | CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| CNA | 3.1 | 8.0 | CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
Affected products
- TP-Link Archer AX3000
- TP-Link Archer AX5400
- TP-Link Archer AXE75
- TP-Link Archer Air R5
Classification
- Weakness
-
- CWE-78 Improper Neutralization of Special Elements used in an OS Command
References
-
tp-link.com
/jp/support/download/archer-ax3000/#Firmware
product
-
tp-link.com
/jp/support/download/archer-ax5400/#Firmware
product
-
tp-link.com
/jp/support/download/archer-axe75/#Firmware
product
- tp-link.com /jp/support/download/archer-air-r5/v1/#Firmware
-
jvn.jp
/en/vu/JVNVU91401812/
third-party-advisory
Sources
- CVE List CVE-2024-21821
- NVD CVE-2024-21821
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.