# CVE-2026-77847

## Summary

- **CVE ID:** CVE-2026-77847
- **Severity:** HIGH
- **CVSS Score:** 7.1 (CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N)
- **CWE:** CWE-798
- **Published:** Sep 4, 2026
- **Last Modified:** Sep 9, 2026

## Description

Tycon Systems TPDIN-Monitor-WEB3 versions 2.2.9 and prior are vulnerable to a use of hard-coded credential vulnerability. This could allow an attacker to intercept sensitive information or credentials.

## Affected Products

- Tycon Systems — TPDIN-Monitor-WEB3 (0)
- Tycon Systems — TPDIN-Monitor-WEB3 (v2.4.2)

## References

- [CNA](https://firm.tyconsystems.com/tpdin-monitor-web3-v2/TPDIN-MONITOR-WEB3-V2_v2.4.2.tfw)
- [CNA](https://firm.tyconsystems.com/tpdin-monitor-web3-v2/TPDIN-MONITOR-WEB3-V2_v2.4.2T.hex)
- [CNA](https://www.cisa.gov/news-events/ics-advisories/icsa-26-246-08)
- [CNA](https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-246-08.json)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.33%
- **EPSS Percentile:** 25.8

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-09._