A heap-based buffer overflow vulnerability in the WS-Addressing Action transformation function in the Sofia IPC daemon in Xiongmai IP Camera XM530 firmware HMT.CM2005-v220608.1837 and earlier allows remote unauthenticated attackers to cause a denial of service or potentially execute arbitrary code via a crafted SOAP request containing a wsa5:Action string exceeding 128 bytes.
CVE-2026-79393
Score 7.5 from GitHub Security Advisory (severity: HIGH) published 2026-09-11. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 7.5; 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
- 7.5
- EG Score
- 7.5(high)
- EG Risk
- 49(Track)EG Risk 49/100SSVC: 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 computedSeverity75% × 45%Exploitation1% × 40%Automatability100% × 15%Action: Routine — remediate on your standard cadence. - EPSS PROB
- 1%
- EPSS %ILE
- 44%
- KEV
- Not listed
Published
September 11, 2026
Last Modified
September 11, 2026
Advisory Details (1)
Auto-updated Sep 11, 2026vulnerability-research/CVE-2026-79393 at main · ShiroiBoushi/vulnerability-research · GitHub
https://github.com/ShiroiBoushi/vulnerability-research/tree/main/CVE-2026-79393Vendor Advisories for CVE-2026-79393(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 26× in last 7d / 38× 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.
- 2026-09-21 03:56 UTCEG score recompute
- 2026-09-21 03:56 UTCGHSA enrichment
- 2026-09-20 20:16 UTCEPSS rescore
- 2026-09-20 15:30 UTCGHSA enrichment
- 2026-09-20 03:06 UTCEG score recompute
- 2026-09-20 03:05 UTCGHSA enrichment
- 2026-09-19 14:40 UTCGHSA enrichment
- 2026-09-19 02:15 UTCEG score recompute
- 2026-09-19 02:15 UTCGHSA enrichment
- 2026-09-18 19:28 UTCEPSS rescore
- 2026-09-18 13:49 UTCGHSA enrichment
- 2026-09-18 01:24 UTCEG score recompute
- 2026-09-18 01:24 UTCGHSA enrichment
- 2026-09-17 12:59 UTCGHSA enrichment
- 2026-09-17 00:08 UTCEG score recompute
- 2026-09-17 00:08 UTCGHSA enrichment
- 2026-09-16 14:08 UTCEPSS rescore
- 2026-09-16 11:43 UTCEG score recompute
- 2026-09-16 11:43 UTCGHSA enrichment
- 2026-09-16 05:15 UTCEPSS rescore
- 2026-09-15 23:18 UTCGHSA enrichment
- 2026-09-15 10:42 UTCEG score recompute
- 2026-09-15 10:41 UTCGHSA enrichment
- 2026-09-15 03:12 UTCEPSS rescore
- 2026-09-15 03:12 UTCEPSS rescore
Show 13 moreShow fewer
- 2026-09-14 22:12 UTCGHSA enrichment
- 2026-09-14 09:45 UTCGHSA enrichment
- 2026-09-13 21:16 UTCEG score recompute
- 2026-09-13 21:16 UTCGHSA enrichment
- 2026-09-13 08:50 UTCGHSA enrichment
- 2026-09-12 20:26 UTCEG score recompute
- 2026-09-12 20:26 UTCGHSA enrichment
- 2026-09-12 08:01 UTCEG score recompute
- 2026-09-12 08:01 UTCGHSA enrichment
- 2026-09-11 18:55 UTCEG score recompute▲ 7.50
- 2026-09-11 18:53 UTCMITRE cvelistV5CVSS v3 → 7.5 · severity → HIGH
- 2026-09-11 18:39 UTCEG score recompute
- 2026-09-11 18:38 UTCMITRE cvelistV5first tracked
Related CVEs(same CWE)
Same CWE
10 shownCWE-122
Frequently asked(5)
What is CVE-2026-79393?
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What is the CVSS score of CVE-2026-79393?
How do I remediate CVE-2026-79393?
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2026-79393
Is Your Infrastructure Affected by CVE-2026-79393?
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