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F5 Labs, using attack telemetry from Efflux's global sensor network, analyzed the most exploited vulnerabilities in July 2025 and found that nearly all top-scanned CVEs are HTTP-based RCE or command injection flaws in web interfaces. CVE-2017-9841 (PHPUnit) was the most exploited, followed by CVE-2023-1389 (TP-Link Archer AX21), CVE-2022-…
F5 Labs' January 2026 AI security roundup covers two attack developments: the Persona Bullying jailbreak and a critical LangChain serialization injection vulnerability (CVE-2025-68664) reachable through prompt injection. Persona Bullying applies human social-engineering tactics such as gaslighting, ridicule and social pressure to LLMs con…
F5 Labs, using attack telemetry from Efflux sensors, reports that CVE-2017-9841 (PHPUnit eval-stdin.php RCE) remained the most targeted vulnerability in May 2025 with over 54,000 instances. CVE-2020-8958 (Guangzhou ONU command injection RCE) shows near-exponential targeting growth for a third consecutive month. CVE-2024-3721 (TBK DVR OS c…
F5 Labs published its March 2026 CASI Leaderboard update, which is now dominated by OpenAI and Anthropic. Z.ai's GLM-5 performs well on price and capability but has a weak security posture (CASI 37.56 vs 96.61 for Claude Opus 4.6 and 92.58 for GPT-5.2). The report also spotlights Sugar-Coated Poison (SCP), a multi-turn technique that grad…
F5 Labs, using Efflux sensor telemetry, reports a campaign that began on 2025-06-08. One actor is exploiting TP-Link AX21 routers (CVE-2023-1389, command injection in the country query parameter) and Raisecom web interfaces (CVE-2024-7120) to deliver a new malware family named NoBooze1. Four source IPs and three stage-one hosts were rotat…
