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Fencer Vulns
high 7.5

CVE-2024-11237 json

TP-Link VN020 F3v(T) DHCP DISCOVER Packet Parser TP-Thumper stack-based overflow

published 2024-11-15 23 mo ago modified 2026-06-17 4 mo ago also EUVD-2024-33694

cvss
7.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
5.3%
EPSS 5.3% chance of exploitation in 30 days, percentile 92%
public exploits
1
Exploit-DB

Summary

A vulnerability, which was classified as critical, has been found in TP-Link VN020 F3v(T) TT_V6.2.1021. Affected by this issue is some unknown functionality of the component DHCP DISCOVER Packet Parser. The manipulation of the argument hostname leads to stack-based buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used.

Timeline

  1. Published
  2. First public exploit (EDB-52292)

CISA SSVC

Exploitation
Proof of concept is public
Automatable
yes
Technical impact
partial
Assessed
23 mo ago

Exploit prediction

5.33% chance of exploitation in the next 30 days, higher than 92% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-52292 TP-Link VN020 F3v(T) TT_V6.2.1021) - DHCP Stack Buffer Overflow local, 2025-05-13
  • github.com https://github.com/Zephkek/TP-Thumper/blob/main/poc.c referenced PoC, tagged "exploit" by a source, unverified
  • github.com https://github.com/Zephkek/TP-Thumper referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 4.0 8.7 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
CNA 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CNA 3.0 7.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CNA 2.0 7.8 AV:N/AC:L/Au:N/C:N/I:N/A:C
CNA 4.0 8.7 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

  • TP-Link VN020 F3v(T)
  • tp-link vn020_f3v_firmware

Classification

Weakness
  • CWE-121 Stack-based Buffer Overflow
  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
  • CWE-787 Out-of-bounds Write

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.