Summary (Bottom Line Up Front)
IP address 27.123.241.43 (India-based) conducted credential brute force attacks against BoaForm admin interfaces on embedded devices and routers, exploiting CVE-2021-46422. This represents a MEDIUM severity threat with potential for device compromise and lateral network movement. Organizations should immediately audit BoaForm-enabled devices and implement access controls.
Activity Timeline
UPDATE 22026-03-10T17:20:28Z
Source: Analyst Manual Entry
IP address 27.123.241.43 (India-based) conducted credential brute force attacks against BoaForm admin interfaces on embedded devices and routers, exploiting CVE-2021-46422. This represents a MEDIUM severity threat with potential for device compromise and lateral network movement. Organizations should immediately audit BoaForm-enabled devices and implement access controls.
New findings
Attacker conducted 7 attack events over a concentrated timeframe (2026-03-05 09:00 UTC) using HTTP and TCP protocols. Primary techniques included credential brute forcing (MITRE T1110.001) targeting default authentication mechanisms and vulnerability scanning against known exploit paths. The campaign specifically targeted CVE-2021-46422, a known vulnerability in BoaForm web server components commonly found in embedded systems. Attack originated from ASN-unassigned infrastructure in India with an AbuseIPDB reputation score of 57/100, indicating moderate malicious activity history.
Recommendations
- Immediately inventory and patch all devices running BoaForm web server components, prioritizing CVE-2021-46422 remediation
- Implement network segmentation to isolate embedded devices and IoT infrastructure from critical network segments
- Deploy monitoring for HTTP authentication failures and scanning activity targeting administrative interfaces on embedded systems
- Change all default credentials on BoaForm-enabled devices and enforce strong authentication policies
- Consider blocking traffic from IP 27.123.241.43 and monitor for similar attack patterns from India-based IP ranges
UPDATE 12026-03-10T14:02:10Z
Source: Analyst Manual Entry
IP address 27.123.241.43 (India-based) conducted credential brute force attacks against BoaForm admin interfaces on embedded devices and routers, exploiting CVE-2021-46422. This represents a MEDIUM severity threat with potential for device compromise and lateral network movement. Organizations should immediately audit BoaForm-enabled devices and implement access controls.
New findings
Attacker conducted 7 attack events over a concentrated timeframe (2026-03-05 08:00 hour) using HTTP and TCP protocols. Primary attack vectors included credential brute forcing (T1110.001) and vulnerability scanning targeting embedded device web interfaces. The campaign specifically exploited CVE-2021-46422 affecting BoaForm web server components commonly found in routers and IoT devices. Attack patterns showed medium-severity credential authentication payloads and vulnerability path scanning. Source IP shows elevated abuse score (57/100) with no VPN masking, suggesting unsophisticated but persistent threat actor.
Recommendations
- Inventory and patch all devices running BoaForm web server components, prioritizing CVE-2021-46422 remediation
- Implement network segmentation to isolate embedded devices and IoT infrastructure from critical network segments
- Deploy monitoring for unusual authentication attempts against device management interfaces, particularly from foreign IP ranges
- Change default credentials on all embedded devices and enforce strong authentication policies
- Consider blocking traffic from IP 27.123.241.43 and monitor for similar attack patterns from the broader 27.123.0.0/16 range
INITIAL REPORT2026-03-10T12:27:09Z
Source: Analyst Manual Entry
IP address 27.123.241.43 (India, ASN unknown) conducted a brief but intensive multi-vector attack campaign on March 5, 2026 at 08:00 UTC, targeting credential theft, remote code execution, and vulnerability scanning within seconds. The activity demonstrates medium-severity threat patterns with an AbuseIPDB score of 57/100 and is assessed as SUSPICIOUS with 80% confidence. Network defenders should implement immediate blocking and enhanced monitoring for similar attack signatures.
Technical details
The attacker executed 7 events within a concentrated 8-second window using HTTP and TCP protocols, including TCP SYN scanning techniques. Attack vectors included credential harvesting payloads, vulnerability path scanning, and attempts to download and execute malicious scripts for remote code execution. The rapid succession of diverse attack types against a single destination port suggests automated tooling or scripted exploitation attempts. No specific CVEs were targeted, and the threat actor remains unidentified. The 6/10 novelty score indicates moderately uncommon payload characteristics that warrant further analysis.
IOCs
IP:27.123.241.43
COUNTRY:IN
Recommendations
- Block IP address 27.123.241.43 at network perimeter and implement geolocation filtering for non-essential Indian IP ranges if operationally feasible
- Deploy enhanced monitoring for rapid multi-protocol attack sequences targeting single ports within short time windows
- Review and strengthen authentication mechanisms against credential-based attacks, particularly for services exposed to internet traffic
- Implement application-layer filtering to detect and block malicious script download attempts and suspicious HTTP payloads
- Correlate internal logs for any successful connections from this IP and conduct immediate incident response procedures if compromise is suspected