CVE-2026-77847

MEDIUMPre-NVD 6.56.5—
EchelonGraph scoreHIGH confidence

Score 6.5 from GitHub Security Advisory (severity: HIGH) published 2026-09-04. a secondary CVSS source baseline 6.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
6.5EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 6.5Exploit: None knownExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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.

CVSS v3
6.5
EG Score
6.5(high)
EG Risk
29(Track)
EG Risk 29/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity65% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
26%
KEV
Not listed

Published

September 4, 2026

Last Modified

September 9, 2026

Advisory Details (4)

Auto-updated Sep 4, 2026
Patch available. Sources: cisa.
generic

CSAF/csaf_files/OT/white/2026/icsa-26-246-08.json at develop · cisagov/CSAF · GitHub

https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-246-08.json
cisa Patch Available

Tycon Systems TPDIN-Monitor-WEB3 | CISA

https://www.cisa.gov/news-events/ics-advisories/icsa-26-246-08
generic
https://firm.tyconsystems.com/tpdin-monitor-web3-v2/TPDIN-MONITOR-WEB3-V2_v2.4.2T.hex
generic
https://firm.tyconsystems.com/tpdin-monitor-web3-v2/TPDIN-MONITOR-WEB3-V2_v2.4.2.tfw

Vendor Advisories for CVE-2026-77847(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 19× in last 7d / 43× 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.

  1. 2026-09-20 20:16 UTCEPSS rescore
  2. 2026-09-20 00:57 UTCEG score recompute
  3. 2026-09-20 00:57 UTCGHSA enrichment
  4. 2026-09-19 01:49 UTCEG score recompute
  5. 2026-09-19 01:49 UTCGHSA enrichment
  6. 2026-09-18 19:28 UTCEPSS rescore
  7. 2026-09-18 02:42 UTCEG score recompute
  8. 2026-09-18 02:42 UTCGHSA enrichment
  9. 2026-09-17 03:35 UTCEG score recompute
  10. 2026-09-17 03:35 UTCGHSA enrichment
  11. 2026-09-16 14:08 UTCEPSS rescore
  12. 2026-09-16 05:15 UTCEPSS rescore
  13. 2026-09-16 04:28 UTCGHSA enrichment
  14. 2026-09-15 05:15 UTCEG score recompute
  15. 2026-09-15 05:15 UTCGHSA enrichment
  16. 2026-09-15 03:12 UTCEPSS rescore
  17. 2026-09-15 03:12 UTCEPSS rescore
  18. 2026-09-14 06:02 UTCEG score recompute
  19. 2026-09-14 06:02 UTCGHSA enrichment
  20. 2026-09-13 06:55 UTCEG score recompute
  21. 2026-09-13 06:55 UTCGHSA enrichment
  22. 2026-09-12 07:48 UTCEG score recompute
  23. 2026-09-12 07:48 UTCGHSA enrichment
  24. 2026-09-11 14:53 UTCEPSS rescore
  25. 2026-09-11 08:41 UTCEG score recompute
Show 18 more
  1. 2026-09-11 08:41 UTCGHSA enrichment
  2. 2026-09-10 09:35 UTCEPSS rescore
  3. 2026-09-10 09:33 UTCEG score recompute
  4. 2026-09-10 09:33 UTCGHSA enrichment
  5. 2026-09-09 10:23 UTCEG score recompute
  6. 2026-09-09 10:23 UTCGHSA enrichment
  7. 2026-09-08 22:01 UTCEPSS rescore
  8. 2026-09-08 16:08 UTCGHSA enrichment
  9. 2026-09-07 18:50 UTCEG score recompute
  10. 2026-09-07 18:49 UTCGHSA enrichment
  11. 2026-09-06 19:42 UTCEG score recompute
  12. 2026-09-06 19:42 UTCGHSA enrichment
  13. 2026-09-06 13:48 UTCEPSS rescore
  14. 2026-09-05 20:34 UTCEG score recompute
  15. 2026-09-05 20:34 UTCGHSA enrichment
  16. 2026-09-04 21:27 UTCEG score recompute
  17. 2026-09-04 21:04 UTCEG score recompute
  18. 2026-09-04 21:04 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-77847?
CVE-2026-77847 is a medium vulnerability published on September 4, 2026. 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.
When was CVE-2026-77847 disclosed?
CVE-2026-77847 was first published in the National Vulnerability Database on September 4, 2026, with the most recent update on September 9, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-77847 actively exploited?
CVE-2026-77847 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 73.6% of all scored CVEs.
What is the CVSS score of CVE-2026-77847?
CVE-2026-77847 has a CVSS v3 base score of 6.5 (NVD).
How do I remediate CVE-2026-77847?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-77847, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

Explore the affected products and dependency analysis for CVE-2026-77847

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