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Fencer Intel
high 7.5

CVE-2018-15172 json

TP-Link WR840N devices have a buffer overflow via a long Authorization HTTP header.

published 8y ago modified 4mo ago also EUVD-2018-7052

cvss
7.5
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
8.2%
EPSS 8.2% chance of exploitation in 30 days, percentile 94%
public exploits
1
Exploit-DB

Summary

TP-Link WR840N devices have a buffer overflow via a long Authorization HTTP header.

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Timeline

  1. Published
  2. First public exploit (EDB-45203)

Exploit prediction

8.20% chance of exploitation in the next 30 days, higher than 94% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • EDB-45203 TP-Link WR840N 0.9.1 3.16 - Denial of Service (PoC) dos, 2018-08-16

CVSS scores

assigned by version score vector
NVD 3.0 7.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:N/I:N/A:P

Classification

Weakness
  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

References

Sources

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.