A security vulnerability has been detected in TRENDnet TEW-821DAP 1.12B01. Impacted is the function sub_41EC14 of the file /goform/tools_nslookup of the component ssi. The manipulation of the argument nslookup_target leads to buffer overflow. It is possible to initiate the attack remotely. The vendor explains: "We are unable to confirm the existence of the vulnerabilities for (...) TEW-821DAP (v1.0R) as these items have been EOL. " This vulnerability only affects products that are no longer supported by the maintainer.
CVE-2026-15483
Score 8.8 from GitHub Security Advisory (severity: HIGH) published 2026-07-12. a secondary CVSS source baseline 8.8; sources differ by 0.0.
- High severity, but no confirmed exploitation yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 8.8
- EG Score
- 8.8(high)
- EPSS
- 37.2%
- KEV
- Not listed
Published
July 12, 2026
Last Modified
July 15, 2026
Advisory Details (1)
Auto-updated Jul 12, 2026IOT_Firmware_Update/Trendnet/TEW-821DAP_BO2.md at main · IOTRes/IOT_Firmware_Update · GitHub
https://github.com/IOTRes/IOT_Firmware_Update/blob/main/Trendnet/TEW-821DAP_BO2.mdVendor Advisories for CVE-2026-15483(1)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
Weakness Classification(2)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 22× in last 7d / 22× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-07-15 21:43 UTCEG score recompute
- 2026-07-15 21:43 UTCGHSA enrichment
- 2026-07-15 16:57 UTCEPSS rescore
- 2026-07-15 10:51 UTCEG score recompute
- 2026-07-15 10:51 UTCGHSA enrichment
- 2026-07-15 02:00 UTCEPSS rescore
- 2026-07-14 23:57 UTCEG score recompute
- 2026-07-14 23:57 UTCGHSA enrichment
- 2026-07-14 13:05 UTCEG score recompute
- 2026-07-14 13:05 UTCGHSA enrichment
- 2026-07-14 02:14 UTCEG score recompute
- 2026-07-14 02:14 UTCGHSA enrichment
- 2026-07-13 22:30 UTCEPSS rescore
- 2026-07-13 15:22 UTCEG score recompute
- 2026-07-13 15:22 UTCGHSA enrichment
- 2026-07-13 06:12 UTCEPSS rescore
- 2026-07-13 04:30 UTCEG score recompute
- 2026-07-13 04:30 UTCGHSA enrichment
- 2026-07-12 17:39 UTCEG score recompute
- 2026-07-12 17:39 UTCGHSA enrichment
- 2026-07-12 06:47 UTCEG score recompute
- 2026-07-12 06:47 UTCMITRE cvelistV5first tracked
Related CVEs(same CWE)
Same CWE
10 shownCWE-119 · CWE-120
Frequently asked(5)
What is CVE-2026-15483?
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What is the CVSS score of CVE-2026-15483?
How do I remediate CVE-2026-15483?
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2026-15483
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