CVE•Published 2021-06-10•Modified 2026-07-09•1 article on news•6 live references•NVD data
CVE-2021-31658Tp-link · Tl-sg2005_firmware
Vulnerability data via NVD (ingested)
CVSS v3.1
8.1
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H
EPSS percentile
60
Exploit Prediction Scoring System · top 40% of all CVEs
Weaknesses (CWE)
Description
TP-Link TL-SG2005, TL-SG2008, etc. 1.0.0 Build 20180529 Rel.40524 is affected by an Array index error. The interface that provides the "device description" function only judges the length of the received data, and does not filter special characters. This vulnerability will cause the application to crash, and all device configuration information will be erased.
Timeline
Published 2021-06-10
Modified 2026-07-09
External references
Search for exposed instances
Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).
Shodan · vuln tag0 hosts
vuln:CVE-2021-31658Hosts Shodan has explicitly fingerprinted as vulnerable.
Shodan · OS
os:"Tl-sg2005 Firmware"Hosts Shodan identified as running Tl-sg2005 Firmware.
More intel sources (5)
Shodan report
vuln:CVE-2021-31658Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2021-31658Censys host search filtered to this CVE id.
grep.app
CVE-2021-31658Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2021-31658GitHub code search for direct mentions.
Google dork
"CVE-2021-31658" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub
No public proof-of-concept repositories found for CVE-2021-31658 on GitHub.