Oman’s stock exchange has fixed a serious router security misconfiguration after months of apparently ignoring the pleas of the researcher who tried to report it.

The technical aspect of this story dates back to a leaked list of 33,138 telnet credentials that appeared on Pastebin last June (telnet being an aging, vulnerable protocol once widely used by admins to manage network systems).

Although it later emerged that only 1,775 of these still worked, one that did was for a Huawei router that belonged to Oman’s Muscat Securities Market (MSM), as Dutch GDI Foundation researcher Victor Gevers discovered.

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