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Fencer Vulns
critical 9.8

CVE-2023-29800 json

TOTOLINK X18 V9.1.0cu.2024_B20220329 was discovered to contain a command injection vulnerability via the FileName parameter in the UploadFi…

published 2023-04-14 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-33338

cvss
9.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
2.0%
EPSS 2.0% chance of exploitation in 30 days, percentile 81%
public exploits
0
none known

Summary

TOTOLINK X18 V9.1.0cu.2024_B20220329 was discovered to contain a command injection vulnerability via the FileName parameter in the UploadFirmwareFile function.

CISA SSVC

Exploitation
Proof of concept is public
Automatable
yes
Technical impact
total
Assessed
21 mo ago

Exploit prediction

2.01% chance of exploitation in the next 30 days, higher than 81% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • sore-pail-31b.notion.site https://sore-pail-31b.notion.site/Command-Injection-5-e88b72309a3c4e20b7469b3679c0c7d9 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CISA ADP 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Classification

Weakness
  • CWE-77 Improper Neutralization of Special Elements used in a 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.