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Soundarahari P's blogs
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Digging into Vande Bharat's Infotainment system
Oct 1, 2025 · 5 min read · Recently I traveled on Vande Bharat Express, from BLR to ED(20641), for those unfamiliar with the train, it’s a medium to long-distance higher-speed rail Express train service offering reserved, air-conditioned chair car accommodations. (Ref: Wikiped...
Join discussionHow I hacked into Linways AMS
Sep 9, 2025 · 4 min read · this bug was reported on May 15, and was fixed by Linways in some amount of time. Follow up emails regarding transparency were ignored. I was in my first year of college, and we had a platform to view our attendance percentages, marks, timetable, and...
Join discussionHow I exposed a critical vulnerability in Titan's SMS Integration
Jun 5, 2025 · 2 min read · this vulnerability was reported on august of 2023, and was promptly fixed by Titan. It was one fine evening and I was sipping coffee. I noticed that I had an unregistered Titan watch lying around and
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