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Fencer Vulns
high 8.8

CVE-2024-21833 json

Multiple TP-LINK products allow a network-adjacent unauthenticated attacker with access to the product to execute arbitrary OS commands.

published 2024-01-10 2 y ago modified 2026-06-17 4 mo ago also EUVD-2024-19445

cvss
8.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.1%
EPSS 1.1% chance of exploitation in 30 days, percentile 64%
public exploits
0
none known

Summary

Multiple TP-LINK products allow a network-adjacent unauthenticated attacker with access to the product to execute arbitrary OS commands. The affected device, with the initial configuration, allows login only from the LAN port or Wi-Fi.

Patch / fix

  • tp-link archer_ax3000 ax3000(jp)_v1_1.1.2_build 20231115"
  • tp-link archer_ax5400 ax5400(jp)_v1_1.1.2_build_20231115
  • tp-link archer_axe75 axe75(jp)_ v1_231115
  • tp-link deco_x50 deco_x50(jp)_V1_1.4.1_build 20231122"
  • tp-link deco_xe200 deco_xe200(jp)_v1_1.2.5_build 20231120"

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
2 y ago

Exploit prediction

1.06% chance of exploitation in the next 30 days, higher than 64% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CISA ADP 3.1 8.8 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 3.1 8.8 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA 3.1 8.8 CVSS:3.1/AV:A/AC:L/PR:N/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 Deco X50
  • TP-Link Deco XE200
  • tp-link archer_ax3000
  • tp-link archer_ax5400
  • tp-link archer_axe75
  • tp-link deco_x50
  • tp-link deco_xe200

Classification

Weakness
  • CWE-78 Improper Neutralization of Special Elements used in an OS Command

References

Sources

Fencer Vulns 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.