{"id":60,"date":"2022-06-21T11:29:11","date_gmt":"2022-06-21T11:29:11","guid":{"rendered":"https:\/\/bitssecureit.com\/blogs\/?p=60"},"modified":"2026-06-25T09:59:42","modified_gmt":"2026-06-25T09:59:42","slug":"3cx-has-released-a-hotfix-for-v18-update-3","status":"publish","type":"post","link":"https:\/\/bitssecureit.com\/blogs\/3cx-has-released-a-hotfix-for-v18-update-3\/","title":{"rendered":"3CX Has Released A Hotfix For V18 Update 3"},"content":{"rendered":"\n

The 3CX Hotfix for V18 Update 3 is an important security and stability patch that fixes a security vulnerability, resolves a memory leak affecting business systems and prevents a call manager crash during DDoS attacks. As a 3CX partner in UAE<\/a>, Bits Secure recommends applying this 3CX Hotfix promptly to keep your phone system secure.<\/p>\n\n\n\n

Quick Facts<\/h3>
Patch<\/td>3CX Hotfix for V18 Update 3<\/td><\/tr>
Type<\/td>Security & stability hotfix<\/td><\/tr>
Fixes<\/td>Security flaw, memory leak, DDoS crash<\/td><\/tr>
Priority<\/td>Install as soon as possible<\/td><\/tr>
How<\/td>3CX Management Console > Updates<\/td><\/tr>
Provider<\/td>Bits Secure IT Infrastructure LLC, Dubai<\/td><\/tr><\/tbody><\/table><\/div>\n\n\n\n

What Does the 3CX Hotfix Fix?<\/h2>\n\n\n\n

The 3CX Hotfix for V18 Update 3 addresses three key issues: it patches a security vulnerability, resolves a memory leak that affected business systems under certain conditions, and stops the call manager from crashing when the system is under a DDoS attack. Applying it keeps your communications platform secure and stable.<\/p>\n\n\n\n

Why You Should Install the 3CX Hotfix Promptly<\/h2>\n\n\n\n

Because this 3CX Hotfix closes a security vulnerability, installing it quickly reduces the risk of exploitation. The memory leak and DDoS-related crash fixes also improve reliability, helping prevent unexpected downtime for business-critical phone systems.<\/p>\n\n\n\n

How to Install the 3CX Hotfix<\/h2>\n\n\n\n

You can install the hotfix directly from your 3CX Management Console. Open the Dashboard, click “Updates” and select “Hotfix 1 (Security and Memory Issue)” to apply it. We recommend taking a backup before updating and applying the patch during a quiet period.<\/p>\n\n\n\n

Keeping Your 3CX System Secure<\/h2>\n\n\n\n

Regularly applying 3CX hotfixes and updates is an essential part of keeping your VoIP system protected. Bits Secure can manage 3CX patching, monitoring and support so your phone system stays secure without adding to your team’s workload.<\/p>\n\n\n\n

About Bits Secure IT Infrastructure LLC<\/h2>\n\n\n\n

Bits Secure IT Infrastructure LLC is a Dubai-based IT solutions provider delivering unified communications<\/a>, networking<\/a>, cyber security<\/a> and IT infrastructure<\/a> services across the UAE. As a 3CX partner, we deploy, patch and support 3CX phone systems.<\/p>\n\n\n\n

Get Help With Your 3CX Hotfix<\/h2>\n\n\n\n

Need help applying the 3CX Hotfix or managing your phone system? Contact us<\/a> at info@bitssecureit.com<\/a> or call +971 4 328 2444<\/a>. You can also check the official 3CX<\/a> update notes.<\/p>\n\n\n\n

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Frequently Asked Questions<\/h2>\n\n\n
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What does the 3CX Hotfix for V18 Update 3 fix?<\/h3>\n
\n\n

The 3CX Hotfix fixes a security vulnerability, a memory leak affecting business systems under certain conditions, and a call manager crash that could occur during a DDoS attack.<\/p>\n\n<\/div>\n<\/div>\n

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How do I install the 3CX Hotfix?<\/h3>\n
\n\n

Open your 3CX Management Console Dashboard, click Updates and select Hotfix 1 (Security and Memory Issue) to install it. Take a backup before applying.<\/p>\n\n<\/div>\n<\/div>\n

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How urgent is the 3CX Hotfix?<\/h3>\n
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It should be installed as soon as possible because it closes a security vulnerability and improves system stability for business-critical phone systems.<\/p>\n\n<\/div>\n<\/div>\n

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Will the 3CX Hotfix cause downtime?<\/h3>\n
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Applying the hotfix is quick, but we recommend installing it during a quiet period and taking a backup first to minimise any disruption.<\/p>\n\n<\/div>\n<\/div>\n

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Can Bits Secure apply the 3CX Hotfix for us?<\/h3>\n
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Yes. Bits Secure is a 3CX partner in UAE and can manage patching, monitoring and support for your 3CX system across Dubai and the UAE.<\/p>\n\n<\/div>\n<\/div>\n<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"

The 3CX Hotfix for V18 Update 3 is an important security and stability patch that fixes a security vulnerability, resolves a memory leak affecting business systems and prevents a call manager crash during DDoS attacks. As a 3CX partner in UAE, Bits Secure recommends applying this 3CX Hotfix promptly to keep your phone system secure. …<\/p>\n","protected":false},"author":2,"featured_media":44,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_angie_page":false,"content-type":"","page_builder":"","footnotes":""},"categories":[9],"tags":[],"class_list":["post-60","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-3cx"],"_links":{"self":[{"href":"https:\/\/bitssecureit.com\/blogs\/wp-json\/wp\/v2\/posts\/60","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/bitssecureit.com\/blogs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/bitssecureit.com\/blogs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/bitssecureit.com\/blogs\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/bitssecureit.com\/blogs\/wp-json\/wp\/v2\/comments?post=60"}],"version-history":[{"count":5,"href":"https:\/\/bitssecureit.com\/blogs\/wp-json\/wp\/v2\/posts\/60\/revisions"}],"predecessor-version":[{"id":1691,"href":"https:\/\/bitssecureit.com\/blogs\/wp-json\/wp\/v2\/posts\/60\/revisions\/1691"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/bitssecureit.com\/blogs\/wp-json\/wp\/v2\/media\/44"}],"wp:attachment":[{"href":"https:\/\/bitssecureit.com\/blogs\/wp-json\/wp\/v2\/media?parent=60"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/bitssecureit.com\/blogs\/wp-json\/wp\/v2\/categories?post=60"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/bitssecureit.com\/blogs\/wp-json\/wp\/v2\/tags?post=60"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}