TP-Link TL-SG2005, TL-SG2008, etc.
Priority LOW 37CWE-129Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
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.
Why it matters now
EPSS 0.01023 63rd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:tp-link:tl-sg2005_firmware:1.0.0:build_20180529_rel.40524:*:*:*:*:*:* | 1.0.0 build_20180529_rel.40524 | Vulnerable | TP-Link |
| cpe:2.3:h:tp-link:tl-sg2005:-:*:*:*:*:*:*:* | not specified by NVD | Running on | TP-Link |
| cpe:2.3:o:tp-link:tl-sg2008_firmware:1.0.0:build_20180529_rel.40524:*:*:*:*:*:* | 1.0.0 build_20180529_rel.40524 | Vulnerable | TP-Link |
| cpe:2.3:h:tp-link:tl-sg2008:-:*:*:*:*:*:*:* | not specified by NVD | Running on | TP-Link |
- cpe:2.3:o:tp-link:tl-sg2005_firmware:1.0.0:build_20180529_rel.40524:*:*:*:*:*:* Versions 1.0.0 build_20180529_rel.40524 Vulnerable ·TP-Link
- cpe:2.3:h:tp-link:tl-sg2005:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·TP-Link
- cpe:2.3:o:tp-link:tl-sg2008_firmware:1.0.0:build_20180529_rel.40524:*:*:*:*:*:* Versions 1.0.0 build_20180529_rel.40524 Vulnerable ·TP-Link
- cpe:2.3:h:tp-link:tl-sg2008:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·TP-Link
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-31658
- 2026-10-03 Alias added: GHSA-w3x9-635p-2982
References
More TP-Link Tl-sg2005 Firmware vulnerabilities
- TI-2021-11734 TP-Link TL-SG2005, TL-SG2008, etc. CVSS 3.1HIGH 8.8
Sources
- CVE-2021-31658 · CVE Program
- CVE-2021-31658 · NVD
- FIRST EPSS
- GHSA-w3x9-635p-2982 · GitHub Advisory Database · CC BY 4.0
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