Saturday , April 26 2025
table

Cyber Attack Took Down 600,000+ Routers in the U.S.

Over 600,000 small office/home office (SOHO) routers were disabled in a cyber attack, cutting off users’ internet access. Security analysts at Lumen Technologies’ Black Lotus Labs discovered and reported on an attack in a recent blog post.

There was a mysterious event in the U.S. that happened from October 25 to 27, 2023. It affected a single internet service provider (ISP) and was called Pumpkin Eclipse by the Lumen Technologies Black Lotus Labs team. The event specifically impacted three router models used by the ISP: ActionTec T3200, ActionTec T3260, and Sagemcom.

NVIDIA Releases Security Update For GPU Driver Vulnerabilities

NVIDIA has released a software security update for its GPU Display Driver to fix multiple vulnerabilities affecting both the driver...
Read More
NVIDIA Releases Security Update For GPU Driver Vulnerabilities

‘SessionShark’ ToolKit Bypasses Microsoft Office 365 MFA

The SessionShark phishing kit bypasses Office 365 MFA by stealing session tokens. Experts warn about real-time attacks using fake login...
Read More
‘SessionShark’ ToolKit Bypasses Microsoft Office 365 MFA

159 CVEs Exploited in Q1 2025 : 28.3% Within 24 Hours of Disclosure

In Q1 2025, VulnCheck identified evidence of 159 CVEs publicly disclosed for the first time as exploited in the wild....
Read More
159 CVEs Exploited in Q1 2025 : 28.3% Within 24 Hours of Disclosure

NVIDIA NeMo Framework Vuln Allow Attackers RCE

The NVIDIA NeMo Framework has three vulnerabilities that could enable attackers to execute remote code, risking AI system compromise and...
Read More
NVIDIA NeMo Framework Vuln Allow Attackers RCE

Cisco Issued Urgent Security Advisories For Multiple Products

Cisco issued a security advisory about a remote code execution (RCE) vulnerability (CVE-2025-32433) affecting multiple products in its portfolio due...
Read More
Cisco Issued Urgent Security Advisories For Multiple Products

SonicWall patched SSLVPN Vuln Allowing Firewall Crashing

SonicWall has revealed a vulnerability in its SonicOS SSLVPN Virtual Office interface that could let remote attackers crash firewall appliances....
Read More
SonicWall patched SSLVPN Vuln Allowing Firewall Crashing

GitLab Releases Security Update For Multiple Vulns

GitLab has announced a security advisory urging users to upgrade their self-managed installations right away. Versions 17.11.1, 17.10.5, and 17.9.7...
Read More
GitLab Releases Security Update For Multiple Vulns

ISPAB president “whatsapp” got hacked via phishing link

Imdadul Haque, the president of Internet Service Provider of Bangladesh (ISPAB) said, I automatically got back my WhatsApp account. What...
Read More
ISPAB president “whatsapp” got hacked via phishing link

Zyxel released patches 2 vulns in its USG FLEX H series firewalls

Zyxel Networks has issued critical security patches for two high-severity vulnerabilities in its USG FLEX H series firewalls. These flaws...
Read More
Zyxel released patches 2 vulns in its USG FLEX H series firewalls

South Korea’s largest SK Telecom Hit by Malware: SIM-related info leaked

South Korea's largest mobile operator, SK Telecom, is warning that a malware infection allowed threat actors to access sensitive USIM-related...
Read More
South Korea’s largest SK Telecom Hit by Malware: SIM-related info leaked

The company said in a technical report that “The incident took place over a 72-hour period between October 25-27, rendered the infected devices permanently inoperable, and required a hardware-based replacement,”.

The blackout was important because it resulted in the sudden removal of 49% of all modems from the affected ISP’s autonomous system number (ASN).

Lumen’s analysis has revealed that a remote access trojan (RAT) called Chalubo is responsible for the sabotage. This malware was first documented by Sophos in October 2018. The adversary chose to use Chalubo instead of a custom toolkit, possibly to make it harder to determine who is responsible.

“Chalubo has payloads designed for all major SOHO/IoT kernels, pre-built functionality to perform DDoS attacks, and can execute any Lua script sent to the bot,” the company said. “We suspect the Lua functionality was likely employed by the malicious actor to retrieve the destructive payload.”

It is believed that weak credentials or an exposed administrative interface may have facilitated the breach of the routers.

Source: Lumen, Reuters

(Media Disclaimer: This report is based on research conducted internally and externally using different ways. The information provided is for reference only, and users are responsible for relying on it. Infosecbulletin is not liable for the accuracy or consequences of using this information by any means)

Check Also

NeMo Framework

NVIDIA NeMo Framework Vuln Allow Attackers RCE

The NVIDIA NeMo Framework has three vulnerabilities that could enable attackers to execute remote code, …

Leave a Reply

Your email address will not be published. Required fields are marked *