Exploitation observed; activity peaked at 7 mentions and remains active
Recommended action window: Immediate (within 24h)
NVD description
Delta Electronics COMMGR2 has Stack-based Buffer Overflow vulnerability.
Priority
MEDIUM
Exploitation
ACTIVE
PoC
NONE
Patch
AVAILABLE
Momentum
STABLE
If you run products in this scope, you should treat this CVE as relevant to your environment.
| Date | Total | Labels |
|---|
| 2026-03-09 | 7 | Disclosure5General2 |
| 2026-03-10 | 2 | Disclosure1Patch1 |
| 2026-03-12 | 1 | Disclosure1 |
| 2026-03-13 | 1 | Disclosure1 |
| 2026-03-17 | 1 | Patch1 |
| 2026-03-19 | 1 | Disclosure1 |
| 2026-04-01 | 1 | Active Exploitation1 |
🚨 CVE-2026-3630 — CVSS 9.8 critical RCE in Delta Electronics COMMGR2. No auth required, network-accessible. Full breakdown 👇 https://buff.ly/QmIGLWe #OffensiveSecurity #VulnerabilityResearch #NetworkSecurity #Praetorian
Post summary
The tweet announces a new, high‑severity RCE vulnerability (CVE‑2026‑3630) in Delta Electronics COMMGR2, providing basic technical details but no evidence of exploitation or mitigation.
🚨 CVE-2026-3630: Critical buffer overflow in Delta COMMGR2 (CVSS 9.8) • Unauthenticated RCE • No user interaction needed • Targets industrial automation • Patch available Industrial orgs assess exposure now. #CVE20263630 #IndustrialSecurity https://www.praetorian.com/?p=10723
Post summary
CVE-2026-3630 is a critical buffer overflow vulnerability in Delta COMMGR2 that allows unauthenticated remote code execution on industrial automation systems (CVSS 9.8), and a patch is available; industrial organizations should assess exposure immediately.
64-byte buffer + strcpy = eternal pwn. No bounds check → >64 bytes overflows → smash return addr → hijack to shellcode. Defenses got better, but IoT/firmware/kernels still full of C bugs. CVE-2026-3630 (Delta industrial RCE), Zephyr RTOS 9.4 CVSS overflow, Tenda routers stacking overflows...
Post summary
A brief note pointing out buffer overflow details for CVE-2026-3630 and other related C bugs, but lacking PoC, exploit, or patch information.
TRC analysis shows attackers exploiting CVE-2026-3630 to compromise Delta Electronics COMMGR2 systems, then escalating privileges and moving laterally across industrial networks. Runtime segmentation helps contain post-compromise activity in critical infrastructure environments. #Vulnerability 🔗 Full TRC analysis: https://aviatrix.ai/threat-research-center/delta-electronics-2026-commgr2-buffer-overflow
Post summary
The report confirms that CVE-2026-3630 is actively exploited against Delta Electronics COMMGR2 systems via a buffer overflow, with attackers escalating privileges and moving laterally, yet no patch or PoC details are shared.
CVE-2026-3630 (CVSS:9.8, CRITICAL) is Analyzed. Delta Electronics COMMGR2 has Stack-based Buffer Overflow vulnerability...https://nvd.nist.gov/vuln/detail/CVE-2026-3630 #cybersecurityawareness #cybersecurity #CVE #infosec #hacker #nvd #mitre
Post summary
CVE‑2026‑3630 is a critical stack‑based buffer overflow in Delta Electronics COMMGR2, as reported by the NVD.
CVE-2026-3630 (CVSS:9.8, CRITICAL) is Analyzed. Delta Electronics COMMGR2 has Stack-based Buffer Overflow vulnerability...https://nvd.nist.gov/vuln/detail/CVE-2026-3630 #cybersecurityawareness #cybersecurity #CVE #infosec #hacker #nvd #mitre
Post summary
The post announces a critical stack-based buffer overflow vulnerability (CVE-2026-3630) affecting Delta Electronics' COMMGR2, providing basic technical details and an NVD link but no PoC, exploit, or patch information.
⚡ New CVE Alert: CVE-2026-3630 📊 Severity: 9.8 🚨 Risk Level: Critical 🧩 Affects: Multiple / Unspecified Products Reference: https://nvd.nist.gov/vuln/detail/CVE-2026-3630 #CVE-2026-3630 #CVE #Critical #CyberSecurity #InfoSec https://t.co/wB4nlMRl9m
Post summary
The tweet announces CVE-2026-3630 as a critical vulnerability with a 9.8 CVSS score, but offers no evidence of exploits, patches, or false positives.
🚨 CVE-2026-3630 (CVSS: 9.8) Delta Electronics COMMGR2のスタックベースバッファオーバーフロー脆弱性。悪意のあるパケット送信でリモートコード実行可能。パッチ適用と入力検証で対策。 https://maruomosquit.com/vulnerability/CVE-2026-3630/ #脆弱性 #セキュリティ
Post summary
An identified stack‑based buffer overflow (CVE‑2026‑3630) in Delta Electronics COMMGR2 allows remote code execution; a vendor patch and input‑validation mitigations are now available.
🚨*CVE* CVE-2026-3630 Delta Electronics COMMGR2 has Stack-based Buffer Overflow vulnerability. https://www.cve.org/CVERecord?id=CVE-2026-3630 ----- Traducción: CVE-2026-3630 Delta Electronics COMMGR2 tiene una vulnerabilidad de desbordamiento de búfer basada en pila. … http://infoflow.cloud`
Post summary
A new stack‑based buffer overflow CVE‑2026‑3630 has been disclosed for Delta Electronics COMMGR2; no PoC, exploit, patch, or active exploitation information is provided.
CVE-2026-3630 Delta Electronics COMMGR2 has Stack-based Buffer Overflow vulnerability. https://www.cve.org/CVERecord?id=CVE-2026-3630
Post summary
The statement announces a stack‑based buffer overflow in Delta Electronics COMMGR2 (CVE‑2026‑3630) with a link to its CVE record, but provides no additional exploitation details or mitigation information.
🔴 CVE-2026-3630 - Critical Delta Electronics COMMGR2 has Stack-based Buffer Overflow vulnerability. https://www.thehackerwire.com/vulnerability/CVE-2026-3630/ https://t.co/bvzgeReL1h
Post summary
The tweet announces CVE-2026-3630, a critical stack-based buffer overflow vulnerability in Delta Electronics COMMGR2, and links to a source for additional details.
A new vulnerability with increased severity was disclosed for Delta Electronics COMMGR2 (CVE-2026-3630) https://vuldb.com/?id.349787
Post summary
Delta Electronics COMMGR2 vulnerability (CVE-2026-3630) was disclosed with increased severity, but no additional technical or operational details are provided.
[CVE-2026-3630: CRITICAL] Delta Electronics COMMGR2 has Stack-based Buffer Overflow vulnerability.#cve,CVE-2026-3630,#cybersecurity https://cvefind.com/CVE-2026-3630
Post summary
Delta Electronics' COMMGR2 product is disclosed to have a critical stack‑based buffer overflow (CVE‑2026‑3630) without any reference to exploits or mitigation.
🚨 CVE-2026-3630: Stack-based Buffer Overflow Vulne... Remote stack smashing in Delta's COMMGR2 with zero auth required - industrial networks just became sitting ducks for RCE... https://zerodaysignal.com/vulnerability/CVE-2026-3630 #netsec #vulnerability #CVE #sysadmin #zeroday
Post summary
The tweet announces CVE-2026-3630, a stack-based buffer overflow in Delta's COMMGR2 that allows unauthenticated remote code execution.
1 of 1 entries
| Part | Vendor | Product | Version | Target SW | Target HW |
|---|---|---|---|---|---|
| App | deltaww | commgr2 | - | - | - |