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Exploitation reportedNot in CISA KEV yet

CVE-2022-28906

Exploitation reported by one source. First attested on 2025-07-13 by GCVE · shadowserver.

  • Published2022-05-10
  • WeaknessCWE-78

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

TOTOLink N600R V5.3c.7159_B20190425 was discovered to contain a command injection vulnerability via the langtype parameter in /setting/setLanguageCfg.

Timeline

dates in UTC
  1. 2022-05-1014:15CVE publishedNVD
  2. 2025-07-1316:12Listed as exploited by GCVEGCVE
  3. 2025-07-1316:12Exploitation first reportedGCVE

Observed activity

isMalicious corpus · updated 2026-11-03 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-2022-28906?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2022-28906?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD
Totolink n600r firmwareversion to verify
BranchAffectedFixed in
5.3= 5.3c.7159_b20190425no 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 2026-11-02 22:42 UTC
Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof-of-concept repositories
1 repository, unverifiedfinnvle/CVE-2022-28906-POC
PoC-in-GitHub
Metasploit modules
none listed
Metasploit Framework

Sources

  • GCVEexploitation2025-07-13
  • NVDCVSS 3.19.8read 2026-10-23
  • NVDCVSS 2.010read 2026-10-23
  • NVDweakness (CWE)CWE-78read 2026-10-23
  • FIRST EPSSEPSS score2.9 %2026-11-03
  • PoC-in-GitHubproof of concept1read 2026-11-02

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
2022-05-10
Last Modified
2026-06-17
NVD status
Modified

Frequently asked questions

What is CVE-2022-28906?

TOTOLink N600R V5.3c.7159_B20190425 was discovered to contain a command injection vulnerability via the langtype parameter in /setting/setLanguageCfg.

Is CVE-2022-28906 actively exploited?

Active exploitation of CVE-2022-28906 has not been confirmed. Its EPSS score was 2.9% on 2026-11-03, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2022-28906?

CVE-2022-28906 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

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