# CVE-2026-100886 — Seetong T8108

> As of 2026-09-28, CVE-2026-100886 is a CRITICAL-severity vulnerability in Seetong T8108, CVSS v3.1 10. No Threadlinqs-tracked threat campaign has been attributed to CVE-2026-100886 as of 2026-09-28; the identifier is re-checked against the Threadlinqs threat corpus on every daily ingest.

**Last updated:** 2026-09-28

## What is CVE-2026-100886?

A vulnerability was identified in Seetong T8108, T8108P, T8116 and T8232 4.6.1.4-build202604241011. The affected element is an unknown function of the component Debug Service. Such manipulation leads to improper authentication. The attack may be launched remotely. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.

The record classifies CVE-2026-100886 under weakness class [CWE-287](https://intel.threadlinqs.com/cwe/CWE-287). Its CVSS v3 base vector states that the flaw is reachable remotely over the network, needs no prior authentication, needs no user interaction, and has high impact on confidentiality, integrity, availability. 4 affected-product entries are recorded, across 1 vendor, listed below. The identifier was first published 8 days ago.

## Severity and exploitation probability

- **CVSS v3.1 base score:** 10 — CRITICAL (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RL:W/RC:R`)
- **CVSS v4.0 base score:** 10 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P`)
- **CISA KEV:** Not listed in the CISA Known Exploited Vulnerabilities catalog
- **Threadlinqs priority:** 7/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
- **Published:** 2026-09-27, last modified 2026-09-28

## Is CVE-2026-100886 being exploited?

Weaponised exploit code for CVE-2026-100886 is publicly available. 1 public proof-of-concept repository is tracked for this identifier. It currently carries a trending score of 38 in the Threadlinqs vulnerability feed.

- [heapframe/seetong-ts81xxd3x-rce](https://github.com/heapframe/seetong-ts81xxd3x-rce) (github)

## Affected products and versions

- **Seetong**: T8108, T8108P, T8116, T8232

## How to fix CVE-2026-100886

No vendor patch reference has been recorded for CVE-2026-100886 in the tracked sources. Follow the references below for a fix, and treat the products listed above as exposed until the vendor states otherwise.

## Threat activity tracking CVE-2026-100886

No threat campaign in the Threadlinqs corpus currently references CVE-2026-100886, in its CVE list or as an indicator. The linkage is recomputed from the live corpus on every daily ingest, so this section fills in as soon as a tracked campaign cites the identifier.

## Sources

Enriched from CVE.org, GitHub Security Advisories, public proof-of-concept repositories. Last verified by Threadlinqs on 2026-09-28.

**Exploit and proof of concept**

- [github.com — exploit](https://github.com/heapframe/seetong-ts81xxd3x-rce)

**Third-party advisory**

- [vuldb.com — signature](https://vuldb.com/vuln/410835/cti)
- [vuldb.com — third party advisory](https://vuldb.com/cve/CVE-2026-100886)
- [vuldb.com — third party advisory (916434)](https://vuldb.com/submit/916434)

**Vulnerability database entry**

- [vuldb.com — vdb entry](https://vuldb.com/vuln/410835)

Canonical: https://intel.threadlinqs.com/cve/CVE-2026-100886
Full detection coverage and IOCs for threats exploiting CVE-2026-100886 via the Threadlinqs MCP server (Purple tier): https://intel.threadlinqs.com/mcp