Skip to main content
Public proof of concept

CVE-2023-43318

A public proof of concept exists; no exploitation attested.

  • Published2024-03-06
  • WeaknessCWE-284

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

TP-Link JetStream Smart Switch TL-SG2210P 5.0 Build 20211201 allows attackers to escalate privileges via modification of the 'tid' and 'usrlvl' values in GET requests.

Timeline

dates in UTC
  1. 2024-03-0600:15CVE publishedNVD
  2. 2026-10-2319:23First public proof of conceptPoC-in-GitHub

Observed activity

isMalicious corpus · updated 2026-10-23 21:37 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2023-43318?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2023-43318?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

CISA-ADP · NVD
Tp-link tl-sg2210p
BranchAffectedFixed in
5.0= v5.0 Build 20211201no fix published
Tp-link tl-sg2210p firmwareversion to verify
BranchAffectedFixed in
5.0= 5.0no fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

No fix published by the sources we read yet. NVD record

Detection

read 2026-10-23 19:23 UTC
Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof-of-concept repositories
1 repository, unverifiedstr2ver/CVE-2023-43318
PoC-in-GitHub

Sources

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Published
2024-03-06
Last Modified
2026-06-17
NVD status
Modified

Frequently asked questions

What is CVE-2023-43318?

TP-Link JetStream Smart Switch TL-SG2210P 5.0 Build 20211201 allows attackers to escalate privileges via modification of the 'tid' and 'usrlvl' values in GET requests.

Is CVE-2023-43318 actively exploited?

Active exploitation of CVE-2023-43318 has not been confirmed. Its EPSS score was 1.1% on 2026-10-23, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2023-43318?

CVE-2023-43318 has a CVSS v3 base score of 8.8 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Hear about the next vulnerability in your software

Surveillance reads the versions in your stack — a domain, a lockfile or a list — checks each CVE against the ranges its sources publish, and alerts you when one you run is exploited or enters CISA KEV. A version it cannot read stays « version not verified ».

No credit card required · No monthly cap on website lookups · 250 API requests/month