VulnSocial

CVE-2026-93740Disclosure

LOWCVSS 9.3 · CRITICAL

Exploit discussion active in current signal (1 latest mentions)

Immediate actions

  • Patch affected systems immediately
  • Hunt for exploitation attempts and persistence artifacts
  • Increase monitoring for publicly documented tradecraft

Recommended action window: High priority (within 72h)

NVD description

A vulnerability was identified in Totolink A3002MU Hh-B20211125.1046. Affected is the function formWlEncrypt of the file /boafrm/formWlEncrypt. The manipulation of the argument submit-url leads to buffer overflow. It is possible to initiate the attack remotely. The exploit is publicly available and might be used.

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2.0/ 10 priority

Sources & remediation

Other references
Weakness type (CWE)
CWE-119CWE-120

Priority

LOW

Exploitation

NONE

PoC

YES

Patch

AVAILABLE

Momentum

STABLE

Threat summary

  • Public PoC is present in monitored signal
  • Patch or workaround signal is available
  • 2 mentions across 2 observed days
  • Momentum state: stable

What's happening

  • PoC mentioned or linked in 1 signal
  • Patch or workaround mentioned in 1 signal
  • Technical details provided in 2 signals
  • Disclosure: 1 classified signal
  • Peaked 1d ago at 1 mentions (2026-09-19); latest day: 1
  • 2 total mentions across 2 days

Deep dive

Activity timeline2 mentions / 2d
00111Mentions · 2026-09-19: 1Mentions · 2026-09-21: 1PoC Mentioned / Linked · 2026-09-21: 1Patch / Workaround · 2026-09-21: 1Technical Details · 2026-09-19: 1Technical Details · 2026-09-21: 109-1909-21
Signal classification2 categories
Disclosure
150.0%
PoC
150.0%
Referenced assets2 URLs
Classification over time
DateTotalLabels
2026-09-191
Disclosure1
2026-09-211
PoC1
Full discourse2 posts
  • Hugo | DevOps | Cybersecurity 🇱🇻@HugoValters
    PoC

    CVE-2026-93740: Totolink A3002MU buffer overflow in formWlEncrypt, CVSS 10, unpatched, remote exploit public. Patch or block now. https://www.valtersit.com/cve/CVE-2026-93740 #CVE #infosec #Totolink #Totolink #CVEALERT #CVE #infosec #Linux #XSS #valtersit #snippet #SysAdmin #cybersecurity #devsecops #devops #developer #100daysofcode #git #github #gitlab #redteam #blueteam #ethicalhacker #cybersecurityawareness #cybersecuritynews #cybersecuritytips #python #hacker #kali #ubuntu #debian #docker

    Post summary

    The tweet discloses a critical unpatched buffer overflow (CVSS 10) in Totolink A3002MU and highlights that a remote exploit is publicly available, urging immediate patching or blocking measures.

    0000048
    1.1K followersView on X
  • CVE@CVEnew
    Disclosure

    CVE-2026-93740 A vulnerability was identified in Totolink A3002MU Hh-B20211125.1046. Affected is the function formWlEncrypt of the file /boafrm/formWlEncrypt. The manipulation of th… https://www.cve.org/CVERecord?id=CVE-2026-93740

    Post summary

    The text serves as a disclosure announcement for CVE-2026-93740, detailing the affected Totolink device, firmware version, and specific vulnerable function/file, while linking to the official CVE record without mentioning patches, exploits, or active exploitation.

    00000786
    58.1K followersView on X

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